今日涨跌停股分析：82只涨停股、7只跌停股，汽车整车板块活跃，中通客车、海马汽车涨停

Group 1 - A-shares saw a total of 82 stocks hitting the daily limit up and 7 stocks hitting the limit down on October 15 [1] - The automotive sector was active, with Zhongtong Bus and Haima Automobile reaching the limit up [1] - The electric grid equipment sector strengthened, with Heshun Electric and Jinpan Technology also hitting the limit up [1] Group 2 - *ST Yuancheng experienced three consecutive limit downs [2] - *ST Yatai and *ST Mubang faced two consecutive limit downs [2] - Other companies such as Shen Zhenye A, Ruyi Group, and Aopu Optoelectronics also hit the limit down [2]