Amentum Holdings AMTM Edges Higher as Shares Test Key Resistance Near 2439 Thermon Group Holdings THR Declines 587 Key Support Level in Focus Newbridge Acquisition Unit NBRGU Edges Higher Support and Resistance Levels in Focus Heico Corporation Surges Over 11 Aerospace Defense Tailwinds Propel HEI Stock Arch Capital Preferred Shares ACGLN Hold Steady Near Support Level Comparing Apples Stock Performance to Other Technology Stocks A Market Analysis