ETFs to Watch April 16, 2013 (FXC, GDX, ZSL)

Here is the ETF Professor's ETF Watch List for Tuesday April 16, 2013. Obvious plays of the day: PowerShares DB Gold Double Short ETN DZZ and the ProShares UltraShort Silver ZSL. Short or stay away from the Market Vectors Gold Miners ETF GDX. Give the ProShares UltraShort Oil & Gas DUG a look. Emerging markets plays of the day: ProShares UltraShort FTSE China 25 FXP, iShares MSCI Taiwan Index Fund EWT and the ProShares UltraShort MSCI Brazil BZQ. Currency play of the day: CurrencyShares Canadian Dollar Trust FXC. Bond play of the day: SPDR Barclays Capital High Yield Bond ETF JNK.