电网设备板块10月28日跌0.52%，华通线缆领跌，主力资金净流出13.13亿元

Market Overview - The grid equipment sector experienced a decline of 0.52% on the previous trading day, with Huatong Cable leading the losses [1] - The Shanghai Composite Index closed at 3988.22, down 0.22%, while the Shenzhen Component Index closed at 13430.1, down 0.44% [1] Stock Performance - Notable gainers in the grid equipment sector included: - Haixing Power (603556) with a closing price of 31.92, up 9.99% and a trading volume of 93,900 shares, totaling 300 million yuan [1] - Linyuan Electric (002358) closed at 5.38, up 6.11% with a trading volume of 859,400 shares, totaling 458 million yuan [1] - Zhongneng Electric (300062) closed at 6.38, up 5.80% with a trading volume of 686,900 shares, totaling 432 million yuan [1] - Conversely, significant decliners included: - Butong Line Micro (605196) closed at 26.41, down 6.35% with a trading volume of 186,300 shares, totaling 508 million yuan [2] - Keda Intelligent (300222) closed at 12.84, down 6.07% with a trading volume of 577,200 shares, totaling 744 million yuan [2] - Dongfang Cable (603606) closed at 62.30, down 5.88% with a trading volume of 216,300 shares, totaling 1.36 billion yuan [2] Capital Flow - The grid equipment sector saw a net outflow of 1.313 billion yuan from institutional investors, while retail investors contributed a net inflow of 1.093 billion yuan [2][3] - Key stocks with significant capital flow included: - Haixing Power (603556) had a net inflow of 1.08 billion yuan from institutional investors, but a net outflow of 66.54 million yuan from speculative funds [3] - Jingda Shares (600577) experienced a net inflow of 97.61 million yuan from institutional investors, with a net outflow of 8.26 million yuan from speculative funds [3] - Yangdian Technology (301012) had a net inflow of 42.29 million yuan from institutional investors, with a net outflow of 18.21 million yuan from speculative funds [3]