On November 12, the three major A-share indices opened slightly lower before launching a pulse-like upward rally, with the ChiNext Index climbing 1.8% during the session before momentum faded and the market fluctuated lower. As of the midday close, the Shanghai Composite Index was up 0.2%, the Shenzhen Component Index up 0.06%, the ChiNext Index up 0.06%, and the STAR 50 up 2.35%. Half-day turnover across the Shanghai and Shenzhen markets reached 1.2215 trillion yuan, with more than 2,300 stocks advancing. Sector-wise, computing power chip stocks led the gains: Tianpu Shares hit the daily limit up, Cambricon rose nearly 10%, Enflame Technology surged more than 12% to a record high since listing, and Muxi Shares, Moore Threads and others ranked among the top gainers. CPU concept stocks opened higher and extended gains, with Tongfu Microelectronics up more than 6%, while Hygon Information, Guoxin Technology, Hesheng New Materials and others also advanced. The electronic specialty gas sector moved higher, led by CSSC Specialty Gas up more than 13%, with Zhongjuxin, Yoke Technology, Qiaoyuan Shares and Huate Gas following suit. Meanwhile, the precious metals sector slipped, with Shanjin International, Chifeng Gold, Western Gold and Shandong Gold among the decliners.