[Review: The GEM index opened high and fell by more than 3%, and more than 4,900 stocks in the market fell] On October 27, the three major indexes fell rapidly in late trading, with the GEM index falling by more than 3%, after rising by more than 1% before. The turnover of Shanghai and Shenzhen stock markets was 1.46 trillion, a decrease of 147.8 billion from the previous trading day. More than 4,900 stocks across the market fell. On the market, Robot Duolun Technology, Saifutian, and Xiangyang Bearing have four consecutive boards, Koyo shares have two consecutive boards, and Dayang Electric has reached its daily limit; the consumer sector has been active, with food and beverage and retail leading the gains. Guifaxiang and Qingdao Food both have two consecutive boards, and Sunshine Dairy, Maoye Commerce, and Guangbai Shares have reached their daily limit; the banking sector has bucked the trend and strengthened during the session. Shanghai Rural Commercial Bank rose by more than 4%, and its stock price hit a new high for the year. China Construction Bank and Industrial and Commercial Bank of China hit a new record high. In terms of decline, the pharmaceutical sector weakened, with Lingkang Pharmaceutical and Wanze Holdings falling by the limit, and offshore protein and CSPC Innovation, etc. fell sharply; the concept of on-device AI fluctuated and adjusted, Yidao Information fell by the limit, and Xingchen Technology, Yiwei Communications, etc. fell one after another. As of the close, the Shanghai Stock Exchange Index fell 1.33%, the Shenzhen Component Index fell 2.5%, and the ChiNext Index fell 3.41%.