家电零部件板块12月30日涨5.35%，同星科技领涨，主力资金净流入24.34亿元

Group 1 - The home appliance parts sector increased by 5.35% compared to the previous trading day, with Tongxing Technology leading the gains [1] - The Shanghai Composite Index closed at 3965.12, showing no change, while the Shenzhen Component Index closed at 13604.07, up by 0.49% [1] - Key stocks in the home appliance parts sector included Tongxing Technology, which rose by 10.34% to a closing price of 33.29, and Sanhua Intelligent Control, which increased by 9.99% to 52.50 [1] Group 2 - The net inflow of main funds in the home appliance parts sector was 2.434 billion yuan, while retail funds saw a net outflow of 932 million yuan [2] - Major stocks with significant fund flows included Sanhua Intelligent Control, which had a net inflow of 2.786 billion yuan, and Hongchang Technology, which saw a net inflow of 27.525 million yuan [3] - Retail investors showed a negative trend, with significant outflows from stocks like Sanhua Intelligent Control and Hongchang Technology, indicating a cautious sentiment among smaller investors [3]