Group 1 - The top five gaining Chinese concept stocks at closing were: Meiyan Tang up 46.95%, Xingji Fashion up 34.47%, 707 Cayman Holdings up 27.28%, Quhuo up 25.5%, and J-Star Holding up 22.36% [1] - Meiyan Tang (MCTA) closed at 14.210 with a gain of 46.95%, increasing by 4.540, and had a trading volume of 12.77 million [1] - Xingji Fashion (STFS) closed at 0.2138 with a gain of 34.47%, increasing by 0.0548, and had a trading volume of 6.29 million [1] - 707 Cayman Holdings (JEM) closed at 0.3761 with a gain of 27.28%, increasing by 0.0806, and had a trading volume of 19.21 million [1] - Quhuo (QH) closed at 8.120 with a gain of 25.5%, increasing by 1.650, and had a trading volume of 2.68 million [1] - J-Star Holding (YMAT) closed at 1.0500 with a gain of 22.36%, increasing by 0.1919, and had a trading volume of 37.19 million [1]