Tricolor(SH:603516) Zhong Guo Ji Jin Bao·2025-09-16 03:46Market Overview - A-shares opened higher on September 16, with major indices showing positive movement: Shanghai Composite Index at 3871.64 points, up 0.29%, Shenzhen Component Index up 0.24%, and ChiNext Index up 0.22%. The total trading volume in both markets exceeded 500 billion yuan [2] - Real estate and gold sectors saw initial gains, while computer hardware and automotive parts led the market. Conversely, rare earth concepts experienced a notable pullback, with agriculture and energy equipment sectors declining [2] Semiconductor Sector - The semiconductor sector led the market, with computing chip concept stocks rising significantly. The GPU index increased by nearly 4%. Longxin Technology hit a 20% limit up, while Puran shares also reached a 20% limit up. Zhongke Shuguang and Haiguang Information both rose over 8%, reaching historical highs [3][4] - Key stocks in the semiconductor sector included: - Puran shares at 105.60 yuan, up 20%, with a market cap of 15.6 billion yuan, and a year-to-date increase of 46.65% - Longxin Technology at 154.50 yuan, up 18.66%, with a market cap of 62 billion yuan, and a year-to-date increase of 16.80% - Zhongke Shuguang at 110.98 yuan, up 8.32%, with a market cap of 162.4 billion yuan, and a year-to-date increase of 54.12% [4] Nvidia Supply Chain - The Nvidia supply chain index rose over 2% on September 16. Key stocks included: - Shiyun Circuit and Junsheng Electronics both hit the 10% limit up, while Zhongke Shuguang rose by 8.55% and Jingwang Electronics increased by over 8% [6] - Following the Chinese Ministry of Commerce's anti-dumping investigation into US simulation chips, the State Administration for Market Regulation announced further investigations into Nvidia for violating antitrust laws [6] - The liquid cooling server concept sector strengthened, with notable performances from Chunzong Technology, which achieved five consecutive limit ups over six days, and Zhongshi Technology, which rose over 12% [6][7] Liquid Cooling Technology - Nvidia is promoting upstream suppliers to develop a new type of water cooling component called MLCP (Microchannel Liquid Cooling Plate) to address the increasing heat generated by AI GPU chips, with prices three to five times higher than existing cooling solutions [6][7]