A股午评：三大指数低开高走，沪指涨0.05%创业板指涨0.17%，海南自贸区、电网设备爆发！超3000股上涨，成交额11497亿缩量814亿

Group 1 - The A-share market showed mixed performance with the Shanghai Composite Index rising by 0.05% to 3962.04 points, while the Shenzhen Component Index fell by 0.15% and the ChiNext Index increased by 0.17% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.1497 trillion yuan, a decrease of 81.4 billion yuan compared to the previous day, with over 3000 stocks in the market experiencing gains [1] - Sectors such as Hainan Free Trade Zone, power grid equipment, and duty-free shops saw significant strength, while the semiconductor and quantum technology sectors faced the largest declines [1]