Today, the SSE Science and Technology Innovation Board 50 Index fell 1.04%, closing at 1005.26 points. In terms of the market, the software development sector was partially active, with Primeton Information Technologies, Inc. up 20 centimeters limit, Beijing Baolande Software Corporation and Beijing Seeyon Internet Software Corp. up over 7%, Tian e Ma Zhi Kong up over 5%. The optics optoelectronics and semiconductors sectors were gloomy, fujian forecam optics fell over 8%, Yong Si Electronics fell over 7%, Zhongke Lanxun fell over 6%, Maolai Optics fell over 5%, memsensing Microsystems (Suzhou, China), Kingsemi Co., Ltd., Toppingtech and others fell one after another.