市场震荡拉升，沪指涨近1%收复4000点大关，化工板块集体走强

Market Overview - The market experienced a strong upward trend in the morning session, with the Shanghai Composite Index rising nearly 1% and surpassing the 4000-point mark, while the Sci-Tech Innovation 50 Index increased by nearly 3% [1] - By midday, the Shanghai Composite Index rose by 0.88%, the Shenzhen Component Index increased by 1.39%, and the ChiNext Index also rose by 1.39% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.32 trillion yuan, an increase of 188 billion yuan compared to the previous trading day [1][6] Index Performance - Shanghai Composite Index: 4004.25, up 0.88% [2] - Shenzhen Component Index: 13407.30, up 1.39% [2] - ChiNext Index: 3210.15, up 1.39% [2] - North Star 50 Index: 1525.30, down 0.02% [2] Sector Performance - Strong sectors included power grid equipment, semiconductors, and chemicals, with notable stocks such as Moen Electric and China Aluminum reaching significant gains [2][3] - The power grid equipment sector continued its strong performance, with Moen Electric achieving three consecutive daily limits and Baobian Electric hitting a daily limit for two consecutive days [2] - The semiconductor sector saw stocks like Demingli and Haiguang Information experiencing significant price increases [2] - The tourism sector faced declines, particularly in the ice and snow industry, with stocks like Dalian Shengya hitting the daily limit down [2][3] Market Sentiment - 79.79% of users expressed a bullish outlook on the market [4] - The market's overall performance showed 2715 stocks rising, 2555 stocks falling, and 177 stocks remaining unchanged [5]