On October 27, 2025, the three principal A-share indices commenced the trading session with a collective upward movement. The Shanghai Composite Index exhibited a 0.48% ascent, while the Shenzhen Component Index followed suit with a 1.2% increase. The ChiNext Index outperformed both, surging by 1.75%. The semiconductor and optical module sectors emerged as the frontrunners in the market rally. Notably, Dawei Co., Ltd. achieved the daily price limit increase. Additionally, Cambridge Technology, Yostar, and Montage Technology each witnessed gains exceeding 4%. Conversely, the coal and banking sectors faced significant downturns, with Antai Group experiencing a decline of over 3%.
