iSpecimen ISPC Shows Resilience Up 59 as Buyers Defend Key Support GPUS Drops 34 as Hyperscale Data Inc Continues to Struggle Near Support BRC Group Holdings Preferred Shares RILYP Edge Higher Resistance Levels in Focus Invesco Senior Income Trust VVR Slips 1 as Interest Rate Concerns Weigh on Income Fund Huntington Ingalls Industries HII Slips 11 as Defense Sector Faces Mixed Signals