[A-Share Semiconductor Materials Sector Rises Amid Volatility, Youyan Silicon 20cm Hits Limit Up] According to Deep Tide TechFlow, on August 5th, the A-share semiconductor materials sector rose amid volatility, with Youyan Silicon 20cm hitting the limit up. Previously, stocks such as Jacques Technology, Kangqiang Electronics, and Youyan New Materials also hit limit up, while Shengong Co., Ltd. and Xi'an Yicai followed the upward trend. (Jin10)