On September 16, 2025, as the trading day for A-shares drew to a close, a broad-based rally was evident across the three key indices. The Shanghai Composite Index notched up a 0.37% gain, finishing the session at 3,861.87 points. Meanwhile, the Shenzhen Component Index exhibited stronger momentum, climbing 1.16% to settle at 13,063.97 points. The ChiNext Index, representing growth enterprises, shone even brighter, surging 1.95% to end at 3,087.04 points.

In terms of sectoral performance, diversified finance, semiconductors, and the automotive industry chain emerged as the frontrunners. CATL, a bellwether in the battery sector, and SMIC, a leading semiconductor manufacturer, both witnessed remarkable surges, with their share prices rocketing over 6%. BYD, a prominent player in the electric vehicle space, also saw its stock price ascend by more than 2%. In contrast, the precious metals, agriculture, and catering and tourism sectors faced significant headwinds. Bangji Technology took a substantial hit, plummeting over 8%, while Western Gold also experienced a sharp decline, dropping more than 5%.