黑色家电板块12月29日涨0.62%，同洲电子领涨，主力资金净流入4212.99万元

Group 1 - The black home appliance sector increased by 0.62% on December 29, with Tongzhou Electronics leading the gains [1] - The Shanghai Composite Index closed at 3965.28, up 0.04%, while the Shenzhen Component Index closed at 13537.1, down 0.49% [1] - Key stocks in the black home appliance sector showed varied performance, with Tongzhou Electronics closing at 13.30, up 7.95%, and Sichuan Jiuzhou down 1.89% to 17.11 [1] Group 2 - The net inflow of main funds in the black home appliance sector was 42.13 million yuan, while retail funds saw a net inflow of 4.15 million yuan [1] - Tongzhou Electronics had a significant net inflow of 84.33 million yuan from main funds, despite a net outflow of 50.57 million yuan from retail investors [2] - Sichuan Jiuzhou experienced a net outflow of 51.89 million yuan from main funds, with a notable net inflow of 50.93 million yuan from retail investors [2]