ETFs to Watch April 30, 2013 (BSV, SIL, YCS)

Here is the ETF Professor's ETF Watch List for Tuesday, April 30, 2013. Give the First Trust ISE-Revere Natural Gas Index Fund (NYSE: FCG ) a look. The First Trust Consumer Staples AlphaDEX Fund (NYSE: FXG ) continues to impress. Can the Global X Silver Miners ETF (NYSE: SIL )