11:16 EDT QuidelOrtho down 9% to $42.90 after withdrawing submission for RVP4+ assay Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news. Try Now>> See Insiders’ Hot Stocks on TipRanks >> Read More on QDEL: Buy/Sell: Wall Street’s top 10 stock calls this week QuidelOrtho receives Health Canada Approval for Quidel Triage PLGF Test DoorDash, Lyft upgraded: Wall Street’s top analyst calls QuidelOrtho downgraded to Sell from Neutral at UBS QuidelOrtho ‘vulnerable to an approach,’ says Gordon Haskett