16:28 EST Marker Therapeutics (MRKR) files $300M mixed securities shelf Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news. Try Now>> See today’s best-performing stocks on TipRanks >> Read More on MRKR: Marker Therapeutics Advances in Clinical Trials and Finances Marker Therapeutics price target raised to $19 from $11 at Ladenburg