Group 1 - A-shares experienced significant activity with 87 stocks hitting the daily limit up and 2 stocks hitting the limit down on August 19 [1] - The non-ferrous metal and tungsten concept stocks were particularly active, with Zhongtung High-tech reaching the daily limit up [1] - The CPO concept stocks showed strength, with Cambridge Technology achieving two consecutive limit ups [1] Group 2 - Cell therapy concept stocks rose, with Jimin Health achieving four consecutive limit ups and Nanjing Xinbai hitting the daily limit up [1] - Notable stocks with consecutive limit ups included *ST Aowei with 9 limit ups in 10 days, and Huasheng Tiancai with 6 limit ups in 9 days [1] - Other stocks showing strong performance included Jintian Shares with 5 consecutive limit ups and Zhongdian Xindong with 4 limit ups in 6 days [1] Group 3 - *ST Gaohong faced a continuous decline with 7 consecutive limit downs, while *ST Nanzhi also hit the limit down [1] - The overall market sentiment reflected a mix of strong performers and struggling stocks, indicating varied investor interest across sectors [1]