Zheng Xing Xing Ye Ri Bao·2025-10-22 08:19Core Insights - The semiconductor sector experienced a slight decline of 0.07% on October 22, with DiAo Micro leading the losses [1][2] - The Shanghai Composite Index closed at 3913.76, down 0.07%, while the Shenzhen Component Index closed at 12996.61, down 0.62% [1] Semiconductor Sector Performance - Notable gainers included: - Canxin Co., Ltd. (688691) with a closing price of 151.26, up 7.28% and a trading volume of 136,600 shares, totaling 2 billion yuan [1] - Cambricon Technologies (688256) closed at 1429.50, up 4.42% with a trading volume of 141,300 shares, totaling 19.815 billion yuan [1] - Major decliners included: - DiAo Micro (688381) with a closing price of 27.04, down 8.96% and a trading volume of 158,100 shares, totaling 434 million yuan [2] - Starlight Semiconductor (603290) closed at 105.50, down 7.06% with a trading volume of 129,300 shares, totaling 1.393 billion yuan [2] Capital Flow Analysis - The semiconductor sector saw a net outflow of 5.517 billion yuan from institutional investors, while retail investors contributed a net inflow of 3.7 billion yuan [2][3] - Key stocks with significant capital flow included: - Haiguang Information (688041) with a net inflow of 666 million yuan from institutional investors [3] - Canxin Co., Ltd. (688691) experienced a net outflow of 520 million yuan from retail investors [3]