ETFs to Watch May 21, 2012 (VXX, GDX, EZA)

Here is the ETF Professor's ETF Watch List for Monday May 21, 2012. The iPath S&P 500 VIX Short-Term Futures ETN VXX will certainly be in play. The iShares MSCI Spain Index Fund EWP is still facing significant hurdles. Keep an eye on the Market Vectors Gold Miners ETF GDX. Emerging markets plays of the day: iShares MSCI South Africa Index Fund EZA, Market Vectors Vietnam ETF VNM and the Direxion Daily India Bear 3X Shares INDZ. Forex play of the day: WisdomTree Dreyfus Brazilian Real BZF. Bond play of the day: Market Vectors High-Yield Muni ETF HYD.