午间涨跌停股分析：51只涨停股、25只跌停股，特高压概念活跃，宏盛华源、汉缆股份2连板

Group 1 - A total of 51 stocks reached the daily limit up while 25 stocks hit the daily limit down in the A-share market on January 19 [1] - The ultra-high voltage concept stocks were active, with companies like Hongsheng Huayuan and Hancable achieving consecutive limit ups, while Huaming Equipment and China XD Electric also hit the limit up [1] - The power grid equipment sector showed strength, with companies such as Senyuan Electric and Jicheng Electronics achieving consecutive limit ups [1] Group 2 - Jia Mei Packaging achieved 15 limit ups in 22 days, while Fenglong Co. reached 14 consecutive limit ups [1] - ST Aowei faced a continuous decline with 7 consecutive limit downs, and ST Yanshi and ST Wanfang experienced 5 consecutive limit downs [1] - Other companies like ST Keli Da and Shenjian Co. faced 3 consecutive limit downs, while ST Tongmai and Suoling Co. had 2 consecutive limit downs [1]