Celanese CE Slips 096 as Chemical Sector Faces Persistent Headwinds Diversified Energy Company DEC Gains 179 as Shares Test Key Resistance Zone Momentus Inc MNTS Faces Headwinds as Stock Declines 225 Key Levels to Watch Purple Innovation PRPL Dips 386 as Stock Tests Key Support at 038 Arvinas ARVN Edges Higher Testing Key Resistance After Modest Gain