Nexa Resources NEXA Surges 286 as Zinc Market Sentiment Improves Leishen Energy Holding LSE Declines 15 as Stock Tests Key Support Zone BioRad Laboratories BIO Gains 2 as Shares Approach Key Resistance Level Alphatec Holdings ATEC Slips 169 as Stock Tests Key Support Zone Brookfield Business Corporation BBUC Edges Lower as Market Weighs Sector Pressures