On May 15th, by noon, there were a total of 71 stocks with limit-up and 21 stocks with limit-down in the A-share market. The fluorochemical concept was active, with DFD and Kings hitting the limit-up; the reducer concept strengthened, with GREATOO INTELLIGENT and Donly hitting the limit-up; the motor sector rose, with KELI and FOUNDER MOTOR hitting the limit-up.

In terms of consecutive limit-up stocks, *ST Zhunyou had 9 consecutive limit-ups, Datang Power had 7 limit-ups in 8 days, Mona Lisa had 6 consecutive limit-ups, Liren Technology and *ST Baoxin had 5 consecutive limit-ups, Weilang Co., Ltd. had 4 limit-ups in 6 days, ST Dongni had 3 consecutive limit-ups, and Jinfu Technology and Beizi Technology had 2 consecutive limit-ups, while Sanrui Intelligent and Wuzhou Xinchun hit the limit-up.

ST Geo-Jade Petroleum has experienced 10 consecutive limit-downs, *ST CCS and ST SCGS have had 9 consecutive limit-downs, ST Hailong and ST Haiwang have had 8 consecutive limit-downs, *ST Qingyue and *ST Yuandao have had 4 consecutive limit-downs, ST Longda and ST Longyuan have had 2 consecutive limit-downs, and *ST Jikai and ST Sanmu have hit the limit-down