S&P warns it may cut Icahn Enterprises to junk status, stock falls

By Svea Herbst-Bayliss BOSTON (Reuters) - U.S. ratings agency Standard & Poor's warned on Friday it may cut the credit rating of billionaire investor Carl Icahn's Icahn Enterprises to junk status after the portfolio absorbed heavy commodity sector losses in the last few months. S&P placed its triple-B-minus issuer credit rating and senior unsecured debt rating of Icahn Enterprises on "CreditWatch with negative implications," the agency said in a statement. The news weighed on Icahn Enter