On the midday break of August 14, 2026, the performance of A-share's three major indices was a mixed bag. The Shanghai Composite Index stood at 3,918.65 points, marking a slight decrease of 0.21%. In contrast, the Shenzhen Component Index rose to 14,300.46 points, registering a modest increase of 0.08%. Meanwhile, the ChiNext Index climbed to 3,609.50 points, showing a more pronounced gain of 0.65%. Notably, sectors related to rare earths, CPO (Co-Packaged Optics), and optical communication concepts exhibited strength. Gongjin Stock surged to its daily limit, Changyingtong soared by over 9%, and China Rare Earth jumped by more than 8%. On the downside, electric power, media, and liquor stocks were prominent among the decliners, with Jingneng Power tumbling by over 7%, Yoozoo Network sliding by more than 5%, and Huangtai Brewery slipping by more than 3%.