今日涨跌停股分析：104只涨停股、10只跌停股，CPO概念走强，剑桥科技2连板

Group 1 - A-shares experienced significant market activity on August 19, with 104 stocks hitting the daily limit up and 10 stocks hitting the limit down [1] - The elevator concept stocks were particularly active, with Shanghai Mechanical and Electrical reaching the limit up [1] - Liquid metal concept stocks also showed strength, with Yian Technology hitting the limit up [1] - CPO concept stocks saw an increase, with Cambridge Technology achieving two consecutive limit ups [1] Group 2 - *ST Aowei achieved 9 limit ups in 10 days, while *ST Huarong recorded 7 consecutive limit ups [1] - Huasheng Tiancai had 6 limit ups in 9 days, and Zhongtong Electronics had 6 limit ups in 7 days [1] - Other notable stocks include Zhongdian Xinlong and Electronic City with 4 limit ups in 6 days, and Tenglong Co. with 4 limit ups in 5 days [1] Group 3 - *ST Gaohong faced a continuous decline with 7 consecutive limit downs [2] - Other stocks such as *ST Suwu, ST Jinhong, and Dayuan Pump Industry also hit the limit down [2]