家电零部件板块9月18日涨4.17%，三花智控领涨，主力资金净流出10.12亿元

Group 1 - The home appliance parts sector increased by 4.17% on September 18, with Sanhua Intelligent Control leading the gains [1] - The Shanghai Composite Index closed at 3831.66, down 1.15%, while the Shenzhen Component Index closed at 13075.66, down 1.06% [1] - Key stocks in the home appliance parts sector showed significant price movements, with Sanhua Intelligent Control rising by 8.71% to a closing price of 45.55 [1] Group 2 - The home appliance parts sector experienced a net outflow of 1.012 billion yuan from institutional investors, while retail investors saw a net inflow of 1.298 billion yuan [2] - The trading volume and turnover for key stocks in the sector varied, with Sanhua Intelligent Control achieving a turnover of 21.611 billion yuan [1][2] - The stock performance of other companies in the sector also varied, with notable declines in some stocks such as United Precision, which fell by 4.44% [2]