Stocks Turn Lower Despite US Credit Outlook Upgrade By: CNBC.com News June 10, 2013 at 10:05 AM EDT Stocks reversed their early gains Monday, despite an initial boost after S&P raised its rating on U.S. sovereign credit outlook. Read More >> Related Stocks: Apple Astrazeneca Plc ADR D.R.Horton Facebook Google, Inc. Intel Corp Lennar Corp Lululemon Athletica McDonald's Corp PulteGroup