On the afternoon of December 8, 2025, China's three primary A-share indices—the Shanghai Composite Index, the Shenzhen Component Index, and the ChiNext Index—all opened on a positive note and maintained their upward momentum throughout the trading session. Specifically, the Shanghai Composite Index registered a 0.62% gain, the Shenzhen Component Index climbed 1.55%, and the ChiNext Index surged by an impressive 3.02%.

In terms of sectoral performance, CPO (Co-Packaged Optics) and 6G concept stocks emerged as the standout performers, with the communication equipment and securities sectors spearheading the market's advance. Conversely, the coal and precious metals sectors experienced a downturn.

Turnover for the half-day trading session neared 1.3 trillion yuan, marking a substantial increase of over 290 billion yuan compared to the previous trading day. Additionally, more than 3,500 stocks concluded the session in positive territory.