Lab-Grown Diamond Stocks Surge on Sept 3, Multiple Limit-Ups

Lab-grown diamond concept stocks traded actively on September 3, with multiple names posting significant gains. Huanghe Whirlwind hit the daily limit-up, Hangsheng Energy had earlier sealed the board, Huifeng Diamond rose more than 10%, and Sifangda, Zhengzhou Sino-Crystal Diamond, and Worldia were among the leading advancers.