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The US Dollar Index reflects the relative strength of the US dollar among global currencies and influences investment markets such as gold, commodities, and US stocks. Its fluctuations are affected by Federal Reserve interest rate policies, US economic data, and geopolitical factors. Understanding the US Dollar Index helps investors grasp market trends and manage risks.

1. What is a Short Squeeze and why does it terrify short sellers?
In financial markets, there is a situation that can cause short investors to suffer instant massive losses, known as a short squeeze, commonly referred to as "尬空" (Gà Kōng).
Simply put, a short squeeze occurs when the price of a stock or asset that has been shorted rises sharply, forcing short investors to buy back the stock at high prices to close their positions, which further drives up the asset's price. This creates a vicious cycle: short covering → surge in buying interest → stock price continues to soar → more short positions are forced to cut losses.
The awkward predicament faced by short investors is the essence of a short squeeze — the profit potential is limited to the stock price dropping to zero, but the losses are unlimited. The stock price can increase tenfold, hundredfold, and your losses will also expand infinitely. That’s why the market often says: going long earns slowly but steadily, while shorting can be quick but carries boundless risks.
2. Three strategies for short selling and their respective risks
How do investors short without owning the underlying stock?

Since mid-October, rare earth-related stocks have surged significantly due to China's upgrade of export controls, strengthening the global supply chain reassessment. The US government has intervened by investing to enhance economic security, and long-term demand will continue to grow, driving a long-term supply shortage in the rare earth market, highlighting an increased emphasis on global resource security.

The four most terrifying words in the trading market are "爆仓" (liquidation). A single misstep in operation can instantly wipe out your principal, and sometimes you even owe a large sum to the broker — this is the real nightmare. What exactly does "爆仓" mean? Why is high leverage so dangerous? And how can you use risk management tools to save yourself? This article covers all the key points in one go.
What does "爆仓" mean? A simple sentence to help you understand
"爆仓" means that your account net worth falls below the broker's minimum margin requirement, and the system automatically closes all your positions. In other words, when you lose so much that you can't even cover the margin, the trading platform will proactively liquidate your positions, giving you no chance to recover.
This sounds cruel, but it is actually a self-defense mechanism of the exchange — to prevent clients from losing more than their margin and incurring huge debts. However, for traders, "爆仓" is the most frightening reality.
What is the reason behind "爆仓"? Why does it happen?

Why Are Traders Using Fibonacci?
In the foreign exchange market, many professional traders rely on a classic technical analysis tool—Fibonacci indicators. The reason this tool is so popular is not just because it sounds mysterious, but because it is based on a mathematical pattern that is prevalent in both nature and markets.
The Fibonacci ratio originates from a simple yet powerful sequence rule: each number is the sum of the two preceding ones. When traders use these derived ratios to analyze asset price movements, they often identify key turning points in the market. Therefore, identifying support and resistance levels has become the foundation of many trading strategies.
Mysterious Mathematical Secrets: 0, 1, 1, 2, 3, 5, 8…
The Fibonacci sequence may seem simple, but it hides the secrets of the financial markets. The sequence is as follows:
0, 1, 1, 2, 3, 5, 8,

Recently, the RMB exchange rate has strengthened significantly, with the USD to RMB hitting a one-year low, driven by both central bank guidance and the Federal Reserve's rate cuts. The international status of the RMB has improved, with trading volume increasing substantially. The policy logic is similar to the 1998 Asian financial crisis. Goldman Sachs predicts an obvious trend of RMB appreciation in the future, which is expected to influence the global financial landscape.

The Japanese Yen appreciates to a new high, is it now a good time to exchange?
On December 10, 2025, the TWD to JPY exchange rate reached approximately 4.85, meaning 1 TWD can be exchanged for 4.85 JPY. Compared to 4.46 at the beginning of the year, the Yen has appreciated by a total of 8.7%, which presents a considerable exchange opportunity for those with investments or travel plans in Japan.
According to market data, Taiwan's foreign currency exchange demand increased by 25% in the second half of the year, with the demand for JPY mainly driven by two factors: first, the post-pandemic travel recovery, and second, capital seeking safe-haven assets. As one of the world's three major safe-haven currencies (the other two are the US dollar and Swiss franc), the Yen tends to rise against the trend during global market turbulence, effectively hedging against fluctuations in the Taiwan stock market. During the Russia-Ukraine conflict in 2022, the Yen appreciated by 8% within a week, while the stock market declined by 10% in the same period.
So, should you immediately exchange the full amount now? The answer is to do it in installments. Currently, the Yen

When it comes to authoritative figures in the blockchain world, Ethereum founder Vitalik Buterin definitely ranks high. It is precisely because of his strict standards that only a few projects can earn his approval. However, Avalanche (雪崩协议) is an exception—V神 has publicly stated that the innovation level of this public chain is comparable to Bitcoin. How high is this praise? It helps us understand why AVAX has become one of the top-ranked public chain tokens in market capitalization within just a few years.
What exactly does the Avalanche protocol solve?
The name Avalanche itself is very illustrative—just like the unstoppable impact of a snow mountain avalanche, the underlying operation mechanism of this public chain is designed to be fast and efficient.
The AVAX project started in 2018, with the establishment of AVA Labs in 2019, and the mainnet launched in 2020. Behind this seemingly simple development process, there is a breakthrough technology hidden.

December 10, 2025, the Taiwanese dollar against the Japanese yen reached a level of 4.85, and the demand for travel to Japan and yen investments surged again. But do you know? Just choosing different exchange channels can cost you an extra NT$2,000 or more. Today, we will explain from an investor's perspective the costs, risks, and suitable scenarios of four yen exchange methods, and teach you how to understand the buy and sell rates of exchange rates.
How to interpret buy and sell rates? First, understand these two concepts
Many people find that the results of exchanging the same amount of money at a bank and an ATM are different, and this is due to the difference between buy and sell rates.
Cash exchange rate vs. Spot exchange rate
The cash exchange rate (also called the cash bill rate) is the rate provided by banks for physical cash transactions, usually 1-2% different from the international market rate, which is the bank's risk premium. For example, Taiwan Bank's cash selling rate on December 10 is 1 Japanese yen to 0.

The main markets are closed during the Christmas holiday period, but trading opportunities still exist. The current market focus is on the Federal Reserve's policy direction—after three rate cuts this year, the market is watching for changes in employment and inflation data. Bank of America expects the Fed to implement two more rate cuts in the first half of next year, with the 10-year U.S. Treasury yield possibly returning to the 4%-4.25% range by year-end. Expectations of rate cuts usually lead to gains in risk assets, providing support for both the stock and forex markets.
NZD/USD: Gann Lines Become Key Support
The New Zealand dollar rose 0.05% this week, reaching a high of 0.5841, but upward momentum shows signs of weakening. On the technical side, the Gann 2/1 line at 0.5770 serves as an important defense line.
Forecast: If the rebound is blocked at 0.5850, the NZD may retreat to 0.5770 for support. As long as this level holds, the medium-term upward trend has potential to continue, with targets above at 0.5900 and even 0.6000.

Global foreign exchange trends adjust, with the yen-to-dollar key level once again in focus
The US dollar index rose 0.2% to 99.0, ending its previous decline and regaining buying support. Meanwhile, the yen-to-dollar remains relatively stable, temporarily holding around 155 as the market awaits the Bank of Japan's monetary policy meeting on the 18th and 19th of this month for a definitive stance. The yield on Japan's 10-year government bonds rose further to 1.941%, reaching a new high since July 2007, signaling a possible rate hike by the central bank. According to sources, if the Bank of Japan decides to raise interest rates at this meeting, key government officials will not oppose it, indicating a significant increase in the likelihood of a rate hike.
The Federal Reserve is expected to signal a rate cut next week, with September PCE data as the focus
White House National Economic Council Director Hassett stated that the Federal Reserve is expected to cut interest rates by about 25 basis points at next week's FOMC meeting. However, the US initial unemployment claims last week were 191,000, better than market expectations.

Taiwan's new energy industry is in a rapid development phase, with companies such as Delta Electronics, Senwai Energy, Huacheng Technology, and Zhongmei Jing becoming key investment focuses. The market demand for green energy products is strong, but investors should be aware of stock price fluctuations and policy risks. Overall, Taiwan's renewable energy market has great potential, reflecting investment opportunities in the long term.

If you ask Wall Street which investor is the most formidable, over 50% of industry insiders will unanimously say the same name—Warren Buffett. But few people know that this legendary figure's success is not only due to his unique vision but also critically supported by a massive money-making machine behind him—Berkshire Hathaway (stock code BRK).
Why can Buffett outperform other investment experts? The secret lies in Berkshire's structure.
Many investors look at Buffett's precise market positioning and wonder: Why is my stock picking not bad, yet my performance lags far behind? The answer is simple—cost of capital.
Berkshire controls a powerful financial empire, including GEICO auto insurance, Berkshire Hathaway Insurance Group (BH Primary), Reinsurance Group (BHRG), and several other insurance companies. These insurance companies are absorbing customers daily.

The Chinese Renminbi has recently appreciated strongly, expected to reach 7.00 by the end of the year and possibly rise to 6.85 in 2026. Federal Reserve rate cuts and policy incentives have driven this trend, while the central bank has steadily guided the exchange rate. Market participation has increased, and RMB internationalization has become a focus, with the appreciation process expected to accelerate in the future.

The AUD/USD market in 2025 surprised investors with a cumulative increase of 7%. The driving forces behind this are not due to a single factor but result from a combination of tariff policy adjustments, a phased weakening of the US dollar, and the resilience of the Australian local economy.
So the question is: Will the Australian dollar continue to strengthen in 2026? This directly relates to the performance of the AUD/RMB exchange rate, as the relative strength of the RMB against the USD will also influence the value of the AUD against the RMB.
RBA attitude shift: from rate cuts to holding steady or rate hikes
Entering 2026, Australia's inflation pressures are gradually emerging, leading to a clear change in the RBA's policy approach. The market consensus is: the rate-cutting cycle has ended, and the focus now is on whether rate hikes will actually occur.
Predictions from major institutions vary:
- Westpac Bank believes the RBA will remain on hold throughout the year
- Commonwealth Bank of Australia expects a

▶ Why should you pay attention to biotech stocks now?
Economic uncertainty, persistent inflation, and market volatility—these are the hallmarks of 2023 investing. In such an environment, traditional stocks have fallen sharply, while biotech stocks have demonstrated noticeable resilience. The ETF tracking the S&P 500 (SPY.US) has performed poorly over the past year, but the ETF tracking the biotech index (XBI.US) remains relatively strong.
The reason is simple: biotech stock performance mainly depends on the progress of new drug development, rather than short-term economic conditions. When the economy is sluggish and assets are generally declining, these companies focused on long-term R&D tend not to fall as much, and may even rise against the trend. Therefore, biotech stocks have strong anti-inflation and economic cycle resistance characteristics, making them a noteworthy option in asset allocation.
▶ How to understand the market structure of Taiwanese biotech stocks?
Biotech stocks cover three major areas: new drug development, medical device manufacturing, and pharmaceuticals

In recent years, server concept stocks have surged in the US stock market, becoming a focal point of technology investment. This phenomenon is no coincidence — as artificial intelligence and big data continue to develop, the demand for computing infrastructure is growing exponentially, driving the prosperity of the entire server ecosystem.
Why are server concept stocks worth paying attention to
Explosive growth in computing demand
Since the launch of ChatGPT, global tech companies have initiated AI large model reserves competitions, leading to a sharp increase in demand for computing power. According to Huawei GIV forecast data, global intelligent computing power will reach 52.5 ZFLOPS by 2030, with a CAGR of 82.65% from 2021. This means that in the next decade, data processing and storage capabilities will become core competitive advantages for enterprises. Server concept stocks are riding this wave of technological upgrade, benefiting the entire industry chain from chip manufacturing and network equipment to data center operations.

Dollar Rate Cuts Open a New Era
In September 2024, the Federal Reserve officially launched a new cycle of interest rate cuts. According to the latest dot plot, the goal of this rate cut cycle is to bring the US dollar interest rate down to around 3% by the end of 2026. For global investors, this rate cut cycle not only influences the trend of the dollar itself but also reshapes the entire asset allocation landscape.
What does a rate cut mean? Simply put, "money becomes cheaper." When US dollar interest rates decline, the pursuit of returns will drive capital toward riskier assets—stocks, cryptocurrencies, gold, and other assets with higher expected yields. For investors who are long-term bearish on the dollar, this presents both opportunities and risks.
The Nature and Structure of the US Dollar Exchange Rate
The essence of the US dollar exchange rate is a "conversion ratio," reflecting the dollar's purchasing power relative to other currencies. Taking EUR/USD as an example, this cross rate indicates how many US dollars are needed to exchange for 1 euro. When EUR

Coin or Token? A Chart to Clearly See Their Fundamental Differences
Many novice investors often confuse Tokens and Coins, but in fact, they have fundamental differences.
Coins have their own independent blockchain. For example, Bitcoin (BTC) runs on the Bitcoin blockchain, and Ether (ETH) runs on the Ethereum blockchain. They are the native assets of these networks. Early cryptocurrencies like Litecoin and Dogecoin also belong to the Coin category.
Tokens, on the other hand, do not have their own blockchain. Instead, they are built on existing blockchain ecosystems. Tokens are often called "tokens" or "digital assets" in Chinese, representing specific rights or asset certificates. When Ethereum launched the ERC-20 token standard in 2015, anyone could issue their own tokens on it, which is why today To

ATOM is the governance token of Cosmos Hub, featuring cross-chain interoperability and efficient scalability. Despite challenges such as liquidity shortages and node monopolies, the ATOM ecosystem still has potential. Market expectations for its price increase remain, and both short-term and long-term investors may consider entering the market.