午评：创业板指半日涨1.76%，全市场超4200只个股上涨

Market Overview - The market opened high on February 24 but retreated before rebounding, with all three major indices rising over 1% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.51 trillion yuan, an increase of 306.5 billion yuan compared to the previous trading day [1] - By the end of the trading session, the Shanghai Composite Index rose by 1.17%, the Shenzhen Component Index increased by 1.82%, and the ChiNext Index gained 1.76% [1] Sector Performance - Oil and gas stocks experienced a collective surge, with companies like Zhun Oil Co., Shandong Molong, Intercontinental Oil & Gas, and Zhongman Petroleum hitting the daily limit [1] - The chemical sector saw significant growth, with Meibang Co. achieving four consecutive limit-ups, Jinniu Chemical hitting four limit-ups in seven days, and companies like Chengxing Co. and Jinpu Titanium Industry also reaching the daily limit [1] - The fiberglass concept remained active, with International Composites rising over four days and achieving two limit-ups, setting a new historical high [1] - Precious metals stocks also saw gains, with Hunan Silver hitting the daily limit [1] - Conversely, the film and cinema sector faced a collective decline, with Hengdian Film and Television, Bona Film Group, and China Film all hitting the daily limit down [1]