A股，探底回升

Market Overview - A-shares opened lower but rebounded, with both the Shanghai Composite Index and the ChiNext Index turning positive. The half-day trading volume in the Shanghai and Shenzhen markets reached 1.14 trillion yuan, a decrease of 79.9 billion yuan compared to the previous trading day [1]. Sector Performance - The electric grid equipment sector saw significant gains, with stocks like Moen Electric, Zhongneng Electric, and Shima Power achieving consecutive gains, while Tebian Electric hit a new high with a limit-up [3]. - The consumer sector also performed well, with multiple stocks such as Caesar Travel and Anji Food reaching their daily limit [3]. - The coal sector remained active, with Antai Group achieving 9 gains in 15 days and Baotailong hitting a limit-up [3]. - The Hainan sector strengthened again, with stocks like Haima Automobile reaching their daily limit [3]. - On the downside, quantum technology stocks experienced adjustments, with Keda Guokuan and Geer Software seeing significant declines [3]. Index Performance - By the end of trading, the Shanghai Composite Index rose by 0.05%, the Shenzhen Component Index fell by 0.15%, and the ChiNext Index increased by 0.17% [3].