A股三大指数下跌！创业板指跌2%，沪指跌0.68%，科创50跌幅扩大至3%！商业航天、可控核聚变等板块跌幅居前

Core Viewpoint - The ChiNext Index experienced a significant decline, with a drop of 2% at the end of trading, indicating a bearish sentiment in the market [1] Market Performance - The Shenzhen Component Index fell by 1.43%, reflecting a broader market downturn [1] - The Shanghai Composite Index decreased by 0.68%, contributing to the overall negative trend in the stock market [1] - The Sci-Tech Innovation 50 Index saw a notable decline of 3% towards the end of the trading session, highlighting weakness in technology-related stocks [1] Sector Performance - The commercial aerospace and controllable nuclear fusion sectors were among the hardest hit, showing significant losses during the trading session [1]