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 XLB. The SPDR Gold Shares GLD will be in play. Give the PowerShares S&P 500 High Dividend Portfolio SPHD a look. The iShares Nasdaq Biotechnology ETF IBB merits consideration. Emerging markets plays of the day: WisdomTree India Earnings ETF EPI, iShares MSCI Taiwan ETF EWT and the Market Vectors Vietnam ETF VNM. Forex play of the day: PowerShares DB Dollar Bullish UUP. Bond play of the day: ProShares UltraShort 20+ Year Treasury TBT.