午间涨跌停股分析：84只涨停股、6只跌停股，CPO概念活跃，天孚通信、光库科技涨停

Group 1 - A total of 84 stocks reached the daily limit up while 6 stocks hit the limit down in the A-share market on February 9 [1] - The CPO concept stocks were active, with Tianfu Communication and Guangku Technology hitting the limit up [1] - The short drama concept gained strength, with Hengdian Film and Television achieving 6 limit ups in 8 days, and Perfect World achieving 2 consecutive limit ups [1] Group 2 - ST Jinglan achieved 9 limit ups in 11 days, while Baichuan Co. had 6 limit ups in 9 days [1] - Other notable stocks include Mingdiao Co. with 6 limit ups in 7 days, Tiantong Co. with 4 limit ups in 7 days, and ST Jingji with 4 limit ups in 6 days [1] - Several stocks, including Xiexin Integration and Kailong High-Tech, achieved 4 consecutive limit ups, while Jinfu Technology and ST Huaxi had 3 consecutive limit ups [1] Group 3 - ST Wanfang faced a continuous decline with 20 consecutive limit downs, while ST Jinglun had 10 consecutive limit downs [1] - ST Guohua experienced 6 consecutive limit downs, and ST Yuanshang had 2 consecutive limit downs [1] - Other stocks like Richen Co. and Youbang Diao Ding also hit the limit down [1]