[Afternoon Commentary: The ChiNext Index fell more than 1% in half a day, and the Industrial and Commercial Bank of China hit a new record high] On October 19, the three major indexes had mixed gains and losses, with the Shanghai Stock Exchange Index turning red, and the ChiNext Index rebounding after bottoming out, it fluctuated and fell again. The half-day turnover of the Shanghai and Shenzhen stock markets was 970.7 billion, 8.1 billion higher than the previous trading day. More than 3,800 stocks across the market fell. On the market, the banking sector bucked the trend and strengthened, with ICBC hitting a new record high; low-level economic concepts were active repeatedly, with Baolong Technology, Jingcheng Co., Ltd., Wanfeng Aowei, and Wencan Co., Ltd. 2 consecutive boards; PCB concepts picked up during the day, with Kent Co., Ltd., Concord Electronics, and Vought Co., Ltd. hitting their daily limit, and Sihui Fushi and Aohong Electronics hitting their daily limit; Data Elements Taiji Co., Ltd. and Jiuyuan Yinhai Co., Ltd. On the downside, the agricultural sector fluctuated and weakened, with Jinjian Rice Industry, Qiule Seed Industry, Wanxiang Denong, etc. falling one after another. As of the close, the Shanghai Stock Exchange Index rose 0.16%, the Shenzhen Component Index fell 0.18%, and the ChiNext Index fell 1.07%.