美股异动丨黑瞳科技涨47.44%，为涨幅最大的中概股

Group 1 - The top five gainers among Chinese concept stocks include: Heitong Technology up 47.44%, Fangduoduo up 28.28%, Lixiang Education up 27.41%, BUUU Group up 23.89%, and Alliance Group up 23.4% [1] - Heitong Technology (DKI) closed at 7.490 with a gain of 2.410 and a trading volume of 5.4815 million [1] - Fangduoduo (DUO) closed at 1.860 with a gain of 0.410 and a trading volume of 34.0997 million [1] - Lixiang Education (LXEH) closed at 1.720 with a gain of 0.370 and a trading volume of 9.5655 million [1] - BUUU Group (BUUU) closed at 6.690 with a gain of 1.290 and a trading volume of 1.0145 million [1] - Alliance Group (TROO) closed at 1.1600 with a gain of 0.2200 and a trading volume of 0.7971 million [1]