A股半导体股走强，赛微微电20CM涨停

Group 1 - The semiconductor sector in the A-share market has shown strong performance, with several stocks experiencing significant gains [1] - Saiwei Microelectronics reached a 20% limit up, indicating strong investor interest and confidence [1] - Other notable performers include New Xiang Micro, which rose over 17%, Yuanjie Technology with a 16% increase, and Jiehuate with more than a 13% gain [1] Group 2 - Additional stocks that performed well include Galun Electronics with an increase of over 8%, and Haiguang Information, Changguang Huaxin, and Dongxin Co., which all rose by more than 7% [1]