Investors Buckle Up For Volatility On Wall Street By: FOX Business April 01, 2011 at 09:09 AM EDT Mutual fund and exchange-traded fund investors embraced U.S. stocks again in the opening weeks of the year, only to be reminded of why they'd fled. Read More >> Related Stocks: Baker Hughes Inc Dodge & Cox Stock Fund - Class I Fidelity Contra Fund Hess Corp Integrity Mid-North American Resources Fund Class A Natl Oilwell Varco The Growth Fund of America Class A Shares Vanguard Index Trust 500 Index Fund