The main index of A shares fluctuated and fell today.WwwvideopokerforfreeplaynowBy the close, the Prev index was down 0%.Wwwvideopokerforfreeplaynow.26% closed at 3104 points, stopping four consecutive gains; the Shenzhen Composite Index fell 0.9%, and the gem Index fell 1.55%. More than 3200 shares fell, with a daily turnover of 1.0306 trillion yuan, a decrease of 180.5 billion yuan compared with the previous trading day, breaking through the trillion yuan for the third day in a row. On the disk, it was reported that many ministries were jointly developing a national action plan for biotechnology and biological manufacturing, with the synthetic biological plate strengthening and Chuanning biological limit rising; the vitamin plate rising, Shengda Biological (603079) rising; the chemical pharmaceutical plate rising sharply; Peking University Pharmaceutical (000788), Lu Kang Pharmaceutical (600789) and other stocks rising by the daily limit; the pet economy plate was pulled up, and Tiankang Biological (002100) and other stocks rose by more than 5%. Traditional Chinese medicine, Alzheimer's and ursodeoxycholic acid were among the top gainers. In addition, the engineering consulting plate fell, Zhongheng Design (603017) fell by the limit; flying cars, low-altitude economic plate fell, Wanfeng Aowei (002085) fell by the limit; tourism and hotel plate fluctuated downward, Xizang Tourism (600749) fell by the limit; the whole vehicle plate weakened, Changan Automobile (000625) fell by the limit; blade batteries, space calculation and photovoltaic equipment and other plates led the decline.