家电零部件板块1月20日跌1.38%，天银机电领跌，主力资金净流出18.66亿元

Market Overview - The home appliance parts sector experienced a decline of 1.38% on January 20, with Tianyin Electromechanical leading the drop [1] - The Shanghai Composite Index closed at 4113.65, down 0.01%, while the Shenzhen Component Index closed at 14155.63, down 0.97% [1] Stock Performance - Notable gainers in the home appliance parts sector included: - Zhenbang Intelligent (stock code: 003028) with a closing price of 33.65, up 6.62% and a trading volume of 91,000 shares, totaling 303 million yuan [1] - Hesheng New Materials (stock code: 002290) closed at 58.20, up 2.56% with a trading volume of 80,400 shares, totaling 462 million yuan [1] - Major decliners included: - Tianyin Electromechanical (stock code: 300342) closed at 52.22, down 7.74% with a trading volume of 906,800 shares, totaling 496.6 million yuan [2] - Chunguang Technology (stock code: 603657) closed at 30.49, down 4.63% with a trading volume of 41,000 shares, totaling 126 million yuan [2] Capital Flow - The home appliance parts sector saw a net outflow of 1.866 billion yuan from institutional investors, while retail investors contributed a net inflow of 1.446 billion yuan [2] - The capital flow for specific stocks showed: - Hesheng New Materials had a net inflow of 24.6469 million yuan from institutional investors [3] - Tianyin Electromechanical experienced a net outflow of 385,000 yuan from institutional investors [3]