家电零部件板块1月13日涨0.16%，天银机电领涨，主力资金净流出8.74亿元

Group 1 - The home appliance parts sector increased by 0.16% on January 13, with Tianyin Electromechanical 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] - Key stocks in the home appliance parts sector showed varied performance, with Tianyin Electromechanical rising by 12.49% to a closing price of 53.05, and other notable stocks like Tongxing Technology and Ruide Intelligent also experiencing gains [1] Group 2 - The home appliance parts sector saw a net outflow of 874 million yuan from institutional investors, while retail investors contributed a net inflow of 685 million yuan [2] - The trading volume and turnover for key stocks in the sector varied, with Tianyin Electromechanical achieving a turnover of 7.316 billion yuan [1][2] - The data indicates a mixed sentiment among investors, with institutional investors withdrawing funds while retail investors increased their positions [2][3] Group 3 - Specific stocks like Tongxing Technology and Hesheng New Materials experienced significant net inflows from retail investors, while facing net outflows from institutional investors [3] - The net inflow for Tongxing Technology was 24.95 million yuan from institutional investors, while it faced a net outflow of 34.90 million yuan from retail investors [3] - The overall trend shows that while some stocks attracted retail interest, institutional investors were more cautious, leading to a complex market dynamic [3]