Today, the sse science and technology innovation board 50 index fell 1.62%, closing at 690.38 points. In terms of the market, only 29 stocks rose. The semiconductor sector declined, with Hengshuo shares falling more than 11%, Kaiwit Tech falling more than 9%, Eisoo shares falling more than 6%, Xidige, Jinghua Micro and Huizhi Micro falling more than 5%, and Lixun Micro, Anlu technology, etc. falling together. The software sector fell, with dama data, yongxin Zhicheng, and Shenbang security falling more than 7%, while Jiangsu Yunyong Electronics and Technology Co., Ltd. and Qilin Xinneng fell more than 6%. The biomedical and medical equipment sectors remained sluggish, with Kangweishiji falling more than 8%, Haichuang pharmaceutical falling nearly 7%, Shouyao controlling, Jindi Ke, Rui'ang gene, and Shanwaishan all falling more than 5%.