电网设备板块9月17日涨1.98%，扬电科技领涨，主力资金净流入8.46亿元

Market Performance - The grid equipment sector increased by 1.98% on the previous trading day, with Yangdian Technology leading the gains [1] - The Shanghai Composite Index closed at 3876.34, up 0.37%, while the Shenzhen Component Index closed at 13215.46, up 1.16% [1] Stock Performance - Yangdian Technology (301012) closed at 26.49, up 16.85% with a trading volume of 414,400 shares and a transaction value of 1.03 billion [1] - TBEA (600089) closed at 16.15, up 10.01% with a trading volume of 3.68 million shares and a transaction value of 5.77 billion [1] - Hangzhou Electric (603618) closed at 8.35, up 10.01% with a trading volume of 551,000 shares and a transaction value of 460 million [1] - Other notable stocks include Baoguang Co. (600379) up 9.99%, and Songsheng Co. (301002) up 7.06% [1] Capital Flow - The grid equipment sector saw a net inflow of 846 million from institutional investors, while retail investors contributed a net inflow of 129 million [2] - TBEA experienced a net inflow of 132.7 million from institutional investors but a net outflow of 68.5 million from speculative funds [2] - Yangdian Technology had a net inflow of 108 million from institutional investors, with significant outflows from both speculative and retail investors [2]