[Afternoon Commentary: The GEM Index fell more than 1% in half a day, and the concept of data elements bucked the trend and strengthened] On October 21, the market fell back after rising in early trading, and the three major indexes collectively turned green. The GEM Index once rose by nearly 1%. The half-day turnover of the Shanghai and Shenzhen stock markets was 939.3 billion, 5.8 billion higher than the previous trading day. More than 2,800 stocks across the market rose. On the market, data elements bucked the trend and strengthened. Nanwei Software and Starlight shares had 3 boards in 4 days, and Mass Data and Tianwei Video hit the daily limit; the concept of AI comic dramas repeatedly strengthened, Guangdong Media had 2 consecutive boards, and Cultural Investment Holdings hit the daily limit; Pork Dongrui shares hit the daily limit; Fujian Anji Food had 2 consecutive boards, Pingtan Development, and Fujian Cement hit the daily limit; AI Hardware Xinyi Sheng, Zhongji InnoLight, and Robotics rose and fell. On the downside, the battery industry chain has weakened. Times Wanheng, Zizhu Hi-Tech, Azure Lithium Core, etc. have fallen one after another. The weight of Ningde Times has fallen by more than 10%, and the stock price has fallen by more than 50% since the historical high hit on May 7, 2026. As of the close, the Shanghai Stock Exchange Index fell 0.31%, the Shenzhen Component Index fell 0.31%, and the ChiNext Index fell 1.07%.