家电零部件板块12月16日跌1.45%，同星科技领跌，主力资金净流出2.97亿元

Group 1 - The core viewpoint of the news is that the home appliance components sector experienced a decline of 1.45% on December 16, with the leading stock, Tongxing Technology, falling significantly [1] - The Shanghai Composite Index closed at 3824.81, down 1.11%, while the Shenzhen Component Index closed at 12914.67, down 1.51% [1] Group 2 - In terms of capital flow, the home appliance components sector saw a net outflow of 297 million yuan from main funds, while retail investors contributed a net inflow of 218 million yuan [2] - Speculative funds recorded a net inflow of 78.7366 million yuan into the sector [2]