市场探底回升，创业板指收涨近1%，商业航天、可控核聚变概念集体大涨

Market Overview - The market showed a rebound with all three major indices closing in the green, with the ChiNext Index rising nearly 1% [1] - The Shanghai Composite Index increased by 0.41%, the Shenzhen Component Index rose by 0.84%, and the ChiNext Index gained 0.97% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 2.09 trillion yuan, an increase of 235.1 billion yuan compared to the previous trading day [1][5] Index Performance - Shanghai Composite Index closed at 3889.35, up 0.41% with 1188 gainers and 1073 losers [2] - Shenzhen Component Index closed at 13258.33, up 0.84% with 1388 gainers and 1424 losers [2] - ChiNext Index closed at 3194.36, up 0.97% with 689 gainers and 659 losers [2] Sector Performance - Strong sectors included controlled nuclear fusion, precious metals, electric grid equipment, and commercial aerospace, with several stocks hitting the daily limit [3][4] - The retail sector, along with real estate and Hainan-related stocks, experienced declines, with Central Plaza hitting the daily limit down [3][4] Market Sentiment - The overall market sentiment was mixed, with nearly equal numbers of stocks rising and falling [5] - A total of 2683 stocks rose, 2612 fell, and 162 remained unchanged, indicating a balanced market [5] Trading Dynamics - The limit-up rate was 87%, with a high opening rate of 53% and a profit rate of 65% for limit-up stocks [6] - The market showed a strong performance in terms of limit-up stocks, with 65 on the first board and a continuous board rate of 44% [6]