Shift4 Payments FOUR Slips Marginally Tests Key Support Levels Amid Market Caution British American Tobacco BTI Edges Lower as Shares Test Key Support Levels Assurant AIZ Holds Steady Near Support Amid Modest Pullback MasterBrand Inc MBC Edges Higher as Stock Tests Key Resistance Near 81 Montrose Environmental Group MEG Surges 5 as Support Holds Faces Key Resistance at 2325