电网设备板块1月13日涨2.56%，亿能电力领涨，主力资金净流入20亿元

Group 1 - The core viewpoint of the news is that the power grid equipment sector experienced a significant increase of 2.56% on the trading day, with YN Power leading the gains [1] - The Shanghai Composite Index closed at 4138.76, down 0.64%, while the Shenzhen Component Index closed at 14169.4, down 1.37% [1] - YN Power's stock price rose by 20.06% to 17.42, with a trading volume of 203,500 shares and a transaction value of 340 million yuan [1] Group 2 - The net inflow of main funds in the power grid equipment sector was 2 billion yuan, while retail investors saw a net outflow of 478 million yuan [2] - The stock of TBEA saw a net inflow of 1.846 billion yuan, accounting for 15.50% of the total, while retail investors had a net outflow of 655 million yuan [3] - The stock of Shuangjie Electric experienced a net inflow of 1.37 billion yuan from main funds, but a net outflow of 1.29 billion yuan from retail investors [3]