Today, the sse science and technology innovation board 50 index fell by 0.40%, closing at 672.28 points. On the market, military industry concept stock cisco ray surged over 12%, guangdian electrical surged over 9%. The medical instruments sector performed actively, with sino medical sciences technology inc. rising over 4%, eyebright medical technology (beijing) co., ltd., and yahui long rising over 3%. Haitai New Light, Aohua Endoscope rose by over 2%. The semiconductor sector showed mixed gains and losses, with Luwei Photoelectric rising by over 5%, Chongyao Technology, Yutai Micro rising by over 3%; Canxin shares, Helin Micronano, and Tiande Yuyu fell by over 2%.