Today, the SSE Science and Technology Innovation Board 50 Index closed down 1.39% at 693.52 points. On the market, the medical instruments sector led the decline, with MicroPort Endovascular Medtech Group Co., Ltd. falling more than 13%, and West Mountain Technology, Hietech New Light, and Tianzhihang falling more than 5%. Sino Medical Sciences Technology Inc. and Huada Zhizao both fell more than 4%. The semiconductor sector performed poorly, with Beijing Jiye Equipment Technology Co., Ltd. falling more than 6%, and Dongxin Semiconductor, Aisentech, Fuchuang Precision, and Wuxi Chipown Micro-electronics all falling more than 4%. The software sector performed weakly, with Shanghai NewTouch Software Co., Ltd., Eternal Asia Supply Chain Management Ltd., Qianxinan, and Beijing Seeyon Internet Software Corp. all falling more than 4%.