Several stocks swung sharply in the close auction: Shengyi Technology, Baiwei
Storage, AMEC, Kingsoft Office, Guanghe Technology and Jiangbolong rallied over
2%, while O-Film, Roborock and Bull Group fell more than 2%. MSCI on May 13
published its May 2026 quarterly index review; changes take effect after the
close on May 29. The MSCI China Index will add 22 stocks, including Guangku
Technology, Yangtze Optical Fiber and Shengke Communication, and remove 24
stocks, including NetEase Cloud Music, O-Film, Goodix Technology, Meitu and Bull
Group.