Today, the SSE Science and Technology Innovation Board 50 Index closed down by 2.55%, at 997.85 points. In the market, the semiconductor sector remains active, with Longtu Light Shield and New Image Microelectronics up by the daily limit of 20%, Semiconductor Manufacturing International Corporation up over 16%, National Silicon Industry Group up over 14%, 3Peak Incorporated up over 12%, and Fudan Microelectronics up over 11%. The software development sector is receding, with C HHE down nearly 50%, Beijing Kingsoft Office Software down over 17%, Kingsoft Office Software down over 17%, Kingsoft Office Software down over 17%, and Kingsoft Office Software down over 17%, arctech solar holding, Elion Energy, and Haiyou New Materials down over 16%, and Hemai shares down over 15%.