What's the hot trade for 2015? ETF investors know By: CNBC.com News April 06, 2015 at 12:46 PM EDT Exchange-traded funds have surged in popularity in 2015, but it's not U.S. equities that are leading the charge. Read More >> Related Stocks: BlackRock Canon Inc ADR Mitsubishi Corp Spon Sentinelone Inc Cl A Toyota Motor Corp Ltd Ord ADR Wisdomtree Europe Hedged Equity Fund Wisdomtree Japan Hedged Equity Fund