Group 1 - The home appliance parts sector increased by 4.33% on January 9, with Zhu Cheng Technology leading the gains [1] - The Shanghai Composite Index closed at 4120.43, up 0.92%, while the Shenzhen Component Index closed at 14120.15, up 1.15% [1] - Zhu Cheng Technology's stock price rose by 14.19% to 57.30, with a trading volume of 83,700 shares and a transaction value of 454 million yuan [1] Group 2 - The main capital inflow in the home appliance parts sector was 1.054 billion yuan, while retail investors experienced a net outflow of 880 million yuan [2] - The trading data for various companies in the sector shows significant fluctuations, with Zhu Cheng Technology and Tianyin Electromechanical being notable performers [2][3] - The net capital inflow for Zhu Cheng Technology was 27.632 million yuan, while retail investors had a net outflow of 262.87 million yuan [3]