美股异动丨707 Cayman Holdings跌44.66%，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 707 Cayman Holdings experiencing the largest drop of 44.66% [1] - Other notable declines include Yueshang Holdings down 43.33%, Heitong Technology down 23.43%, Mercurity Fintech down 23.18%, and Aorijin Seed Industry down 22.87% [1] - The trading volumes for these stocks varied, with 707 Cayman Holdings having a trading volume of 5.6455 million, while Aorijin Seed Industry had a much lower volume of 83,300 [1]