A股指数集体低开：沪指跌0.44%，贵金属、油气等板块跌幅居前

Market Overview - Major indices opened lower, with the Shanghai Composite Index down 0.44%, Shenzhen Component Index down 0.66%, and ChiNext Index down 0.56% [1] - The decline in indices was led by sectors such as precious metals, oil and gas, and optical communication [1] Index Performance - Shanghai Composite Index: 4,115.92, down 0.44%, with a trading volume of 8.057 billion [2] - Shenzhen Component Index: 14,188.35, down 0.66%, with a trading volume of 11.92 billion [2] - ChiNext Index: 3,309.43, down 0.56%, with a trading volume of 4.71 billion [2] External Market Impact - Concerns over the disruptive potential of artificial intelligence (AI) led to a decline in major U.S. indices, with the Nasdaq down 2.03% [3] - Notable declines in Chinese concept stocks, with the Nasdaq Golden Dragon China Index down 3.00% [3] Industry Insights - Zhongyuan Securities maintains a "stronger than market" rating for the lithium battery industry, citing a valuation of 28.69 times as of February 12, 2026 [4] - Huatai Securities anticipates improved profitability for domestic phosphate iron companies due to rising demand and operational rates [5] - China Galaxy Securities highlights a supply-demand imbalance in the electronic fabric industry, driven by AI-related demand, leading to price increases [6][7]