Heico Corporation HEI Stock Down 251 Support Test at 27520 20260515 Trumps Palantir Stock Purchases and Truth Social Promotion Raise Questions Records Show Biologics Pipeline Growth Faces Setbacks from Manufacturing Hurdles Report Finds Cerebras Stock Slips 10 on First Full Trading Day After Blockbuster IPO Debut BitFuFu FUFU Holding Near Support After Marginal Decline DiaMedica Therapeutics DMAC Gains 243 as Buyers Defend Key Support OReilly Automotive ORLY Slips Slightly Amid Mixed Market Sentiment Avnet Inc AVT Shows Strength Shares Climb 373 as Bulls Test Key Resistance