Oil ETFs Strengthen as Hedge Funds Get Bullish on WTI

Oil exchange traded funds are strengthening as the U.S. economic engine gains momentum, with hedge funds raising bullish bets on crude oil to a three-month high. The United States Oil Fund (NYSEArca: USO) has gained 6.2% over the past month and was up 6.5% over 2013. [ETF Chart of the Day: Oil...