ETFs to Watch July 19, 2013 (EMCB, FXY, XLK)

Here is the ETF Professor's ETF Watch List for Friday July 19, 2013. Obvious play of the day: Technology Select Sector SPDR (NYSE: XLK ). Keep an eye on the Teucrium Corn Fund (NYSE: CORN ). Give the Vanguard High Dividend Yield Indx ETF (NYSE: VYM ) a look. The PowerShares