半导体板块9月19日跌1.72%，峰岹科技领跌，主力资金净流出74.75亿元

Market Overview - On September 19, the semiconductor sector declined by 1.72%, with Fengsha Technology leading the drop [1] - The Shanghai Composite Index closed at 3820.09, down 0.3%, while the Shenzhen Component Index closed at 13070.86, down 0.04% [1] Stock Performance - Notable gainers in the semiconductor sector included: - Jiangbolong (301308) with a closing price of 127.95, up 12.25% and a trading volume of 269,700 shares, totaling 3.41 billion yuan [1] - Demingli (001309) closed at 141.01, up 10.00% with a trading volume of 205,000 shares, totaling 2.865 billion yuan [1] - Dawi Co. (002213) closed at 18.54, up 8.36% with a trading volume of 627,200 shares [1] - Conversely, significant decliners included: - Fengsha Technology (688279) closed at 245.00, down 10.58% with a trading volume of 47,000 shares, totaling 1.169 billion yuan [2] - Shengke Communication (688702) closed at 127.21, down 7.55% with a trading volume of 83,100 shares, totaling 1.09 billion yuan [2] - Cambricon (688256) closed at 1349.24, down 5.05% with a trading volume of 126,600 shares, totaling 17.406 billion yuan [2] Capital Flow - The semiconductor sector experienced a net outflow of 7.475 billion yuan from institutional investors, while retail investors saw a net inflow of 4.98 billion yuan [2][3] - Specific stock capital flows indicated: - Dawi Co. (002213) had a net inflow of 388 million yuan from institutional investors, while retail investors had a net outflow of 197 million yuan [3] - Demingli (001309) saw a net inflow of 217 million yuan from institutional investors, with a net outflow of 646.9 million yuan from retail investors [3]