ETFs to Watch July 31, 2013 (GLD, IBB, TBT)

Here is the ETF Professor's ETF Watch List for Wednesday, July 31, 2013.

Keep an eye on the Materials Select Sector SPDR (NYSE:XLB).

The SPDR Gold Shares (NYSE:GLD) will be in play.

Give the PowerShares S&P 500 High Dividend Portfolio (NYSE:SPHD) a look.

The iShares Nasdaq Biotechnology ETF (NASDAQL: IBB) merits consideration.

Emerging markets plays of the day: WisdomTree India Earnings ETF (NYSE:EPI), iShares MSCI Taiwan ETF (NYSE:EWT) and the Market Vectors Vietnam ETF (NYSE:VNM).

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

Bond play of the day: ProShares UltraShort 20+ Year Treasury (NYSE:TBT).

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