REX American Resources Corporation (NYSE:REX) has seen a significant price drop, reflecting potential operational challenges and broader market conditions.Charles & Colvard, Ltd. (NASDAQ:CTHR) faces a notable decline amid challenges in the Luxury Goods sector and its delisting announcement.Bionano Genomics, Inc. (NASDAQ:BNGO) experiences a downturn, possibly due to market sentiment towards biotech investments and specific operational news.The market has recently seen significant shifts, with several compani ...