今日涨跌停股分析：44只涨停股、123只跌停股，智能电网概念活跃，森源电气、顺钠股份等涨停

Group 1 - A total of 44 stocks in the A-share market hit the daily limit up, while 123 stocks hit the daily limit down on February 2 [1] - The smart grid concept was active, with stocks like Senyuan Electric and Shun Sodium hitting the limit up [1] - The ultra-high voltage concept strengthened, with Baiyun Electric and Hangdian Co. achieving consecutive limit up, while companies like Baobian Electric and Hancable also hit the limit up [1] Group 2 - ST Jinglan achieved 4 limit ups in 6 days, while Hengdian Film and Wan Feng Co. recorded 3 consecutive limit ups [1] - Jin Hui Wine and Zhujiang Piano had 2 limit ups in 3 days, while Maoye Commercial and Litong Electronics achieved 2 consecutive limit ups [1] - Tianpu Co. and Huanghe Xunfeng hit the limit up [1] Group 3 - ST Wan Fang faced a continuous decline with 15 consecutive limit downs, while ST Jinglun had 5 consecutive limit downs [1] - ST Chuntian and Zhongnong United experienced 3 consecutive limit downs, and Jiangxi Copper and Pengxin Resources had 2 consecutive limit downs [1] - Shengtun Mining and Zhejiang Longsheng also hit the limit down [1]