Algoma Steel Group ASTL Edges Higher Holds Above Key 475 Support Level Generac Holdings GNRC Gains 173 as Shares Test Key Resistance at 28856 Twenty One Capital Inc XXI Declines 109 as It Nears Critical Support at 688 Global Payments GPN Edges Higher Navigating Support and Resistance Levels NewMarket Corp NEU Gains 221 as Stock Approaches Key Resistance Levels