午评：沪指低开高走涨0.21% 全市场超3500家个股上涨

Market Performance - The Shanghai Composite Index rose by 0.21%, the Shenzhen Component Index increased by 0.72%, the ChiNext Index gained 0.71%, and the Northern Stock 50 climbed by 0.35% [1] - The total market turnover reached 983.6 billion yuan, a decrease of 113.4 billion yuan compared to the previous day's turnover [1] - Over 3,500 stocks in the market experienced an increase [1] Sector Performance - The titanium dioxide, dairy, and semiconductor sectors were active, while the influenza sector saw adjustments [1] - The titanium dioxide concept strengthened, with Jinpu Titanium Industries hitting the daily limit, and Guocheng Mining and Zhenhua Co. rising over 5% [1] - The dairy sector also performed well, with Yantang Dairy and Sunshine Dairy both hitting the daily limit [1] - The semiconductor sector was lively, with Xidi Micro and Weidao Nano increasing over 12%, and Huicheng Co. and Jinghe Integration rising over 8% [1] - The influenza sector adjusted, with Yue Wannianqing dropping over 12%, and Zhongsheng Pharmaceutical and Guangji Pharmaceutical falling nearly 8% [1]