Today, the sse science and technology innovation board 50 index fluctuated downward in the afternoon, closing down 2.17% at 1050.54 points. On the market, the semiconductor sector collectively pulled back, with Aisencs falling over 9%, Ollie's New Materials, Shengke Communication, and SaiMicro Electronics falling over 7%, Chuangyao Technology, Juguang Technology, and Zhongju Chip falling over 6%. The software sector performed poorly throughout the day, with Dameng Data, Zhongwang Software falling over 8%, Suochen Technology, and Geovis Technology Co.,Ltd. falling over 7%. Photovoltaic sector stocks remained strong, with Arctech Solar Holding rising over 7%, Sichuang Energy rising over 5%, and Lapulas rising over 4%. In terms of individual stock performance, the lithium battery concept stock Liyuanheng hit the daily limit for two consecutive trading days.