A股指数集体低开：创业板指跌超1%，贵金属、光伏等板块跌幅居前

Market Overview - Major indices opened lower, with the Shanghai Composite Index down 0.66%, Shenzhen Component down 0.96%, and ChiNext down 1.02% [1] - The decline was led by sectors such as precious metals, photovoltaic, and semiconductor chips [1] Index Performance - Shanghai Composite Index: 4075.03, down 0.66%, with 460 gainers and 1493 losers [2] - Shenzhen Component: 14020.84, down 0.96%, with 396 gainers and 2202 losers [2] - ChiNext Index: 3277.72, down 1.02%, with 182 gainers and 1099 losers [2] External Market Influence - U.S. stock markets continued to experience style rotation, with the Nasdaq down over 1% for the second consecutive day [3] - The S&P 500 Index fell by 0.51%, while the Dow Jones Industrial Average rose by 0.53% [3] - Chinese concept stocks were affected, with the Nasdaq Golden Dragon China Index down 1.95% [3] Sector Insights - CICC forecasts breakthroughs in large model technology in areas such as reinforcement learning and contextual engineering by 2026 [4] - Zhongtai Securities expresses a positive outlook on the raw material drug sector, highlighting the potential of innovative drug tracks like small nucleic acids and peptides [5] - CITIC Securities recommends focusing on automotive companies with strong cost transfer capabilities and global layouts due to rising raw material prices impacting profit margins [7]