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 (NYSE:TAN).

The iShares Silver Trust (NYSE:SLV) remains in play.

Give the SPDR S&P Oil & Gas Exploration & Production ETF (NYSE:XOP) a look.

Hedge your bets with the ProShares UltraShort S&P500 (NYSE:SDS).

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

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

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