Looming debt ceiling deadline pushing some U.S. fund managers to cash

NEW YORK (Reuters) - A potential standoff over the U.S. federal debt ceiling is raising alarm bells among fund managers who fear a repeat of 2011 when a protracted showdown over increasing the government's borrowing limit and subsequent downgrade of U.S. credit quality led to a more than 15 percent slump in the S&P 500 stock index.