Recent activity in the A-shares market has been lively, with a series of stocks hitting the daily limit frequently. The underlying logic behind this warrants attention.

From the aerospace industry chain perspective, the concept of commercial aerospace continues to heat up. Shenjian Co. has hit the limit 5 days in a row, benefiting from businesses such as drones and polyester resins; Guoji Jinggong also hit the limit 4 days in a row, supported by wind turbine bearings and diamond heat dissipation businesses; Aerospace Engineering hit the limit 4 days in a row, thanks to its background as a central enterprise and new directions like green hydrogen. The upstream and downstream linkage effects of this industry chain are obvious.

In the new energy and steering system sectors, Zhejiang Shibao hit the limit 5 days in a row, with core technologies such as L3 autonomous driving and steer-by-wire systems becoming highlights. Hualian Holdings hit the limit 3 days in a row, driven by dual engines of lithium extraction from salt lakes and new energy transformation. All these point to an industrial upgrade in smart mobility.

The Hainan Free Trade Zone and Cross-Strait concepts are also active. Hainan Development hit the limit 4 days in a row, supported by projects like BIPV and curtain wall engineering; Antong Holdings hit the limit 3 days in a row, leveraging the dual advantages of Hainan Free Trade Zone and container logistics; Hexing Packaging hit the limit 3 days in a row, with a clear leading position in corrugated packaging.

Highlights are also seen in the chip and high-end manufacturing fields. Shenghui Integration hit the limit 3 days in a row, supported by semiconductor equipment + large overseas orders + customers like SMIC; Huanxu Electronics hit the limit 6 days in a row, with strong demand for optical modules and AI acceleration cards.

Control rights changes as catalysts are also fermenting. Shengtong Energy hit the limit 9 days in a row, and Jiamai Packaging also hit the limit 9 days in a row with 7 days, both accompanied by control rights changes. Such restructuring expectations often bring strong market participation.

Overall, current market hotspots revolve around industrial upgrading and new productive forces, with sectors like aerospace, new energy vehicles, and semiconductors taking turns in activity. Coupled with the support of local state-owned assets and central enterprises, multiple abnormal sectors have formed.