大跳水！中芯国际跌7%，寒武纪跌6%，歌尔股份跌9%！科技赛道重挫，银行、煤炭等传统行业发力...

Market Overview - The market experienced significant fluctuations with all three major indices closing down: Shanghai Composite Index fell by 0.94%, Shenzhen Component Index dropped by 2.70%, and ChiNext Index decreased by 4.55% [1] - The total trading volume in the Shanghai and Shenzhen markets was 2.52 trillion, a decrease of 137.6 billion compared to the previous trading day [2] Sector Performance - Previously popular sectors such as semiconductors, batteries, and precious metals saw substantial declines, with notable stocks like SMIC down nearly 8% and Cambrian down over 6% [3][5] - Conversely, sectors like coal, textiles, and banking showed resilience, with some stocks in these sectors rising despite the overall market downturn [4] Technology Sector Analysis - The technology sector faced a sharp decline, particularly in semiconductors and consumer electronics, with significant drops in stocks like SMIC and other leading companies [6][9] - Concerns about an AI bubble have emerged, as venture capital investments in AI startups reached a record $192.7 billion since 2025, with 62.7% of U.S. venture capital directed towards AI companies in the last quarter [9] Financial Sector Recovery - Following the adjustment in technology stocks, the financial sector began to rebound, with banks, securities, and insurance stocks closing in the green [14][15] - Specific banks such as Qilu Bank and Shanghai Bank saw increases of over 2%, while securities firms like Guosen Securities rose nearly 6% [16][18] Coal and Energy Sector Insights - The coal and oil sectors showed increased activity, with several stocks hitting the daily limit up [20] - Analysts predict that the coal sector's performance may improve in the second half of 2025 due to rising coal prices and better market conditions, with expectations for a rebound in earnings [22][23]