1月30日，A股全天下来共有57只涨停股、60只跌停股。农业种植概念活跃，农发种业3天2板，登海种 业、敦煌种业等涨停；激光产业概念走强，杰普特涨停；CPO概念上涨，亨通光电涨停。 *ST万方连续14日跌停，*ST精伦连续4日跌停，*ST赛隆连续3日跌停，*ST春天、中农联合等连续2日 跌停，金钼股份、鹏欣资源、四川黄金等跌停。 连板股方面，天地在线10天6板，*ST铖昌7天6板，湖南黄金5连板，天奇股份5天3板，百川股份3连 板，*ST沪科4天2板，横店影视、中信尼雅等2连板，长飞光纤、东材科技等涨停。 ...

Group 1 - A-shares saw a total of 78 stocks hitting the daily limit up and 8 stocks hitting the limit down on December 8 [1] - The laser industry concept was active, with Fuzhijing Technology and Zhongci Electronics reaching the daily limit up [1] - The CPO concept strengthened, with Tongyu Communication hitting the daily limit up [1] - AMD-related stocks rose, with Jingwang Electronics reaching the daily limit up [1] Group 2 - Stocks with consecutive limit up included Shunhao Co. with 6 limit ups in 7 days, Anji Food with 5 consecutive limit ups, and Ruikang Pharmaceutical and Junya Technology with 4 consecutive limit ups [1] - Other notable stocks included Hefei China with 3 limit ups in 5 days, Shuangxing New Materials and Shuhua Sports with 3 consecutive limit ups, and New Dazhou A with 2 limit ups in 4 days [1] - Stocks facing consecutive limit down included ST Yuanzhi with 5 consecutive limit downs, *ST Zhengping with 4 consecutive limit downs, and *ST Huasheng and *ST Fanli with 3 consecutive limit downs [1]