ETFs to Watch May 20, 2013 (GDX, HAO, XME)

Here is the ETF Professor's ETF Watch List for Monday, May 20, 2013. Metals plays: Market Vectors Gold Miners ETF GDX and the Global X Silver Miners ETF SIL. Keep an eye on the SPDR S&P Metals & Mining ETF XME. Check in with the First Trust NYSE Arca Biotech Index Fund FBT. Emerging markets plays of the day: iShares MSCI All Peru Capped Index Fund EPU, iShares MSCI Turkey Investable Market Index Fund TUR and the Guggenheim China Small-Cap ETF HAO. Forex play of the day: CurrencyShares British Pound Trust FXB. Bond play of the day: Vanguard Total Bond Market ETF BND.