Argus downgraded Boeing to Hold from Buy. Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news. Try Now>> See the top stocks recommended by analysts >> Read More on BA: Bond Sale and Potential Order Send Boeing (NYSE:BA) Shares Surging Cargojet (TSE:CJT) Posts Earnings, Shares Gain Boeing plane flown by Delta loses emergency slide after takeoff, NY Times says Fitch downgrades Boeing’s outlook to ‘negative,’ Reuters reports More Plane Trouble for Boeing (NYSE:BA)