今日涨跌停股分析：103只涨停股、30只跌停股，特高压概念活跃，保变电气3天2板

Core Viewpoint - The A-share market experienced significant activity on January 19, with 103 stocks hitting the daily limit up and 30 stocks hitting the limit down, indicating a volatile trading environment [1] Group 1: Stock Performance - The ultra-high voltage concept stocks were notably active, with companies like Baobian Electric achieving a limit up for two consecutive days within three days, and other firms such as Siyuan Electric and Hongsheng Huayuan also seeing consecutive limit ups [1] - The power grid equipment sector showed strength, with Sanbian Technology achieving four limit ups in five days, and Xinlian Electronics hitting the limit up for two consecutive days within three days [1] - Several stocks recorded impressive consecutive limit ups, including Jiamei Packaging with 15 limit ups in 22 days, and Fenglong Co. with 14 consecutive limit ups [1] Group 2: Declining Stocks - *ST Aowei faced a continuous decline with seven consecutive limit downs, while *ST Yanshi and *ST Wanfang experienced five consecutive limit downs [1] - Other companies like Zhizhen Technology and ST Keli Da faced three consecutive limit downs, indicating a trend of poor performance among certain stocks [1]