电网设备板块2月4日涨0.38%，昇辉科技领涨，主力资金净流出23.15亿元

Market Overview - The grid equipment sector increased by 0.38% compared to the previous trading day, with Shenghui Technology leading the gains [1] - The Shanghai Composite Index closed at 4102.2, up 0.85%, while the Shenzhen Component Index closed at 14156.27, up 0.21% [1] Stock Performance - Notable gainers in the grid equipment sector included: - Yihui Technology (300423) with a closing price of 9.98, up 19.95% and a trading volume of 634,900 shares, totaling 612 million yuan [1] - Zhongxi (002441) closed at 10.97, up 10.03% with a trading volume of 246,300 shares, totaling 262 million yuan [1] - Sun Cable (002300) closed at 9.56, up 10.01% with a trading volume of 734,300 shares, totaling 692 million yuan [1] Capital Flow - The grid equipment sector experienced a net outflow of 2.315 billion yuan from institutional investors, while retail investors saw a net inflow of 2.09 billion yuan [2] - The capital flow for key stocks showed: - Sun Cable (002300) had a net inflow of 329 million yuan from institutional investors, while retail investors had a net outflow of 170 million yuan [3] - Shenghui Technology (300423) saw a net inflow of 230 million yuan from institutional investors, with retail investors experiencing a net outflow of 104 million yuan [3] Summary of Key Stocks - The following stocks had significant movements: - Jindian Technology (688676) closed at 103.80, up 5.70% with a trading volume of 285,900 shares, totaling 2.933 billion yuan [1] - Shun Sodium (000533) closed at 11.15, up 9.96% with a trading volume of 948,200 shares, totaling 1.043 billion yuan [1] - Hangdian Co. (603618) closed at 12.02, up 9.97% with a trading volume of 829,300 shares, totaling 256.6 million yuan [1]