今日涨跌停股分析：83只涨停股、22只跌停股，BC电池概念走强，罗博特科、奥特维等涨停

Group 1 - A total of 83 stocks in the A-share market hit the daily limit up, while 22 stocks hit the limit down on February 3 [1] - The perovskite battery concept showed significant activity, with ST Jingji and Jun Da shares hitting the limit up, along with Guosheng Technology [1] - The BC battery concept also strengthened, with Robotech and Aotwei shares reaching the limit up [1] Group 2 - Hunan Gold achieved 6 limit ups in 7 days, while ST Jinglan had 5 limit ups in 7 days [1] - Baichuan shares recorded 4 limit ups in 5 days, and several other stocks like Hengdian Film and Television and Wanfeng shares had 4 consecutive limit ups [1] - On the downside, ST Wanfang faced 16 consecutive limit downs, and ST Jinglun had 6 consecutive limit downs [1]