消费电子板块9月18日涨2.5%，隆扬电子领涨，主力资金净流出4.17亿元

Core Insights - The consumer electronics sector saw a 2.5% increase on September 18, with Longyang Electronics 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] Consumer Electronics Sector Performance - Longyang Electronics (301389) closed at 72.85, up 10.26% with a trading volume of 281,000 shares and a transaction value of 266.61 million [1] - Feirongda (300602) closed at 35.69, up 10.19% with a trading volume of 952,700 shares and a transaction value of 3.337 billion [1] - Heertai (002402) closed at 43.95, up 10.01% with a trading volume of 1,343,000 shares and a transaction value of 581.9 million [1] - Kosen Technology (603626) closed at 17.70, up 10.01% with a trading volume of 1,372,700 shares and a transaction value of 2.409 billion [1] - Changying Precision (300115) closed at 34.50, up 9.04% with a trading volume of 3,139,100 shares and a transaction value of 10.414 billion [1] Capital Flow Analysis - The consumer electronics sector experienced a net outflow of 417 million from institutional investors and 1.663 billion from retail investors, while retail investors saw a net inflow of 2.08 billion [2][3] - Heertai (002402) had a net inflow of 978 million from institutional investors, while it faced a net outflow of 720 million from speculative funds [3] - Industrial Fulian (601138) had a net inflow of 812 million from institutional investors, with a net outflow of 623 million from speculative funds [3]