On March 11, the stock indexes of the two cities fell sharply in the morning, and the three indexes fell by more than 2%. In the afternoon, driven by covid-19 testing, securities companies and other hot spots, the gem index rose by more than 1%. As of the close, the Shanghai index rose 0.41%, the Shenzhen Composite Index rose 0.62% and the gem index rose 1.15%. In terms of sectors, the covid-19 detection concept soared by nearly 7%, several stocks such as Shanghai Labway Clinical Laboratory Co.Ltd(301060) , Guangzhou Wondfo Biotech Co.Ltd(300482) and Andon Health Co.Ltd(002432) rose by 20%, and a large number of stocks such as Andon Health Co.Ltd(002432) rose by the limit; Seed industry, covid-19 drug concept, digital currency, brokerage, agriculture, tourism and other sectors also rose sharply, while electricity, oil and other sectors fell. More than 2900 stocks rose in the two cities. About 90 stocks rose by 10% or more.