28日，A股市场呈现普涨格局，沪深两市及创业板指三大主要指数集体高开并录得涨幅。截至当日午间收盘，上证指数上涨0.72%，深证成指上涨1.99%，创业板指表现最为强劲，大涨3% 1。市场交投活跃，全市半日成交额达到1.02万亿元，近4500只个股上涨 1。
从板块表现来看，科技成长类股票成为引领市场上行的主力。人形机器人概念股爆发式上涨，其中宇树科技股价涨幅超过12%；汽车、通信设备及半导体等板块也同步大幅走高 1。与此同时，部分传统权重板块出现调整，白酒概念股走低，电信、海运、油气、银行、农业、券商及保险等行业板块均下跌 1。
A-shares opened higher and maintained gains through the midday close on the 28th, with all three major indices posting positive returns. 1 The Shanghai Composite Index rose by 0.72%, while the Shenzhen Component Index gained 1.99%. 1 The ChiNext Index led the surge with a substantial increase of 3%. 1 Market activity was robust, as the total turnover for the half-day session reached 1.02 trillion yuan. 1 Broad participation was evident across the board, with nearly 4,500 individual stocks closing in the green. 1
Sector performance showed clear divergence between growth-oriented technology shares and traditional defensive industries. 1 Humanoid robot concept stocks experienced an explosive rally, highlighted by Unitree Robotics climbing more than 12%. 1 Other notable leaders included automotive, communication equipment, and semiconductor sectors. 1 In contrast, baijiu (liquor) stocks trended lower. 1 Additionally, several other segments such as telecommunications, shipping, oil and gas, banking, agriculture, brokerage firms, and insurance faced declines. 1
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