半导体板块1月20日跌0.7%，航宇微领跌，主力资金净流出20.35亿元

Market Overview - The semiconductor sector experienced a decline of 0.7% on January 20, with Hangyu Micro leading the losses [1] - The Shanghai Composite Index closed at 4113.65, down 0.01%, while the Shenzhen Component Index closed at 14155.63, down 0.97% [1] Stock Performance - Notable gainers in the semiconductor sector included: - Zhongwei Semiconductor (688380) with a closing price of 41.35, up 19.99% and a trading volume of 198,400 shares, totaling 799 million yuan [1] - Gu Zhong Technology (688352) closed at 16.68, up 16.32% with a trading volume of 834,800 shares, totaling 1.312 billion yuan [1] - Yingjixin (60Z8889) closed at 25.22, up 12.24% with a trading volume of 365,700 shares, totaling 908 million yuan [1] - Conversely, significant decliners included: - Hangyu Micro (300053) closed at 19.53, down 10.25% with a trading volume of 1,054,300 shares, totaling 2.132 billion yuan [2] - Jumo Technology (688270) closed at 183.00, down 8.96% with a trading volume of 279,100 shares, totaling 5.221 billion yuan [2] - Shengke Communication (688702) closed at 135.42, down 6.39% with a trading volume of 63,500 shares, totaling 870 million yuan [2] Capital Flow - The semiconductor sector saw a net outflow of 2.035 billion yuan from institutional investors, while retail investors experienced a net outflow of 444 million yuan [2] - In contrast, speculative funds recorded a net inflow of 2.479 billion yuan [2] Individual Stock Capital Flow - Notable capital flows included: - Lanqi Technology (688008) with a net inflow of 371 million yuan from institutional investors, while retail investors saw a net outflow of 284 million yuan [3] - Demingli (001309) had a net inflow of 346 million yuan from institutional investors, with retail investors experiencing a net outflow of 163 million yuan [3] - Tongfu Microelectronics (002156) recorded a net inflow of 341 million yuan from institutional investors, while retail investors had a net outflow of 246 million yuan [3]