美股异动丨707 Cayman Holdings涨41.31%，为涨幅最大的中概股

Group 1 - The top five gainers among Chinese concept stocks include 707 Cayman Holdings with a rise of 41.31%, ATA Creativity Global increasing by 33.36%, and RCON (研控科技) up by 20.35% [1] - 707 Cayman Holdings closed at a price of 5.935, with a gain of 1.735 and a trading volume of 2.7565 million [1] - ATA Creativity Global's latest price is 1.700, showing an increase of 0.425 and a trading volume of 0.8189 million [1] Group 2 - RCON (研控科技) reached a price of 2.720, with a rise of 0.460 and a trading volume of 20.0451 million [1] - 康乃德生物 (CNTB) closed at 2.100, reflecting a gain of 0.350 and a trading volume of 0.5651 million [1] - I-Mab (IMAB) saw its price at 2.030, with an increase of 0.330 and a trading volume of 3.7652 million [1]