美股异动丨博美集团跌38.08%，为跌幅最大的中概股

Group 1 - The article reports significant declines in the stock prices of several Chinese concept stocks, with BGM (博美集团) dropping 38.08%, WTO (联代科技) falling 33.65%, and HCAI (华谌科技) decreasing by 21.29% [1] - Other notable declines include CPHI (惠普森医药) which fell by 19.99% and MKDW (MKDWELL Tech) which decreased by 17.93% [1] - The trading volumes for these stocks varied, with BGM having a trading volume of 661,500, WTO at 2,744,600, HCAI at 756,300, CPHI at 68,600, and MKDW at 1,736,700 [1]