ETFs to Watch May 23, 2013 (IEF, SLV, TAN)

Here is the ETF Professor's ETF Watch List for Thursday May 23, 2013.

Keep the an eye on the Guggenheim Solar ETF TAN.

The iShares Silver Trust SLV remains in play.

Give the SPDR S&P Oil & Gas Exploration & Production ETF XOP a look.

Hedge your bets with the ProShares UltraShort S&P500 SDS.

Emerging markets plays of the day: iShares S&P Latin America 40 Index Fund ILF, Market Vectors Vietnam ETF VNM and the Market Vectors Russia ETF RSX.

Forex play of the day: PowerShares DB Dollar Bullish UUP.

Bond play of the day: iShares Barclays 7-10 Year Treasury Fund IEF.