Long-Oil, Short-Stocks ETF Rallies 10% as Volume Spikes

An ETF that takes a long position in oil and shorts U.S. stocks rallied 10% on Tuesday on the heaviest trading volume in over a year amid speculation the U.S. could launch military action against Syria. FactorShares 2X: Oil Bull/S&P500 Bear (NYSEArca: FOL) saw trading volume spike to over...