Morning Movers: Upgrades Do No Good For Delta, American Airlines; Dollar Tree Tumbles

Stocks are in free fall after Chinese economic data came in weaker than expected. Agence France-Presse/Getty Images S&P 500 futures have plunged 2.7%, while Dow Jones Industrial Average futures have tumbled 2.7%. Nasdaq Composite futures have slumped 2.9%. Diamond Offshore Drilling (DO) has dropped 2.1% to $23.21 despite getting upgraded to Market Perform from Underperform […]