Market Overview - On February 24, the first trading day after the Spring Festival, the Shanghai Composite Index rose by 0.87%, the Shenzhen Component Index increased by 1.36%, while the Sci-Tech Innovation Board Index fell by 0.61%, and the ChiNext Index rose by 0.99% [1][4] - The total market turnover for the day was 2.22 trillion yuan, with over 4,000 stocks in the green and 111 stocks hitting the daily limit [1][4] Oil and Gas Sector - Tensions in US-Iran relations have increased geopolitical risk premiums in the oil market, leading to a surge in the oil and gas sector, with multiple stocks hitting the daily limit [1][4] - Notable stocks include: - Xinjin Power: 20.07% increase, trading volume of 123 million shares, turnover of 7.96 billion yuan [2][5] - Tongyuan Petroleum: 20.04% increase, trading volume of 9.41 million shares, turnover of 11.84 billion yuan [2][5] - Qianeng Hengxin: 20.01% increase, trading volume of 3.47 million shares, turnover of 11.78 billion yuan [2][5] - Zhongyou Engineering: 10.13% increase, trading volume of 100 million shares, turnover of 4.20 billion yuan [2][5] Diamond Sector - The cultivated diamond sector saw significant gains, with stocks like Sifangda hitting the daily limit, and other stocks such as World and Huifeng Diamond rising over 10% [5] Precious Metals Sector - The precious metals sector was active, with stocks like Hunan Silver, Shengda Resources, and Sichuan Gold hitting the daily limit, while Xiaocheng Technology rose over 15% [6] - The CPO index for optical modules increased by over 4%, with major players like Yizhongtian achieving transaction volumes exceeding 10 billion yuan [6]