ETFs To Watch July 28, 2010 (PPA, EUO, ZSL, MXI)

Here is the ETF Professor's ETF Watch List for Wednesday July 28, 2010. Play earnings from Aetna (NYSE:

) with the Health Care Select Sector SPDR (NYSE:

). Play earnings from Boeing (NYSE:

) and General Dynamics (NYSE:

) with the PowerShares Aerospace & Defense (NYSE:

). Several large utilities report before the bell so keep an eye on the Utilities Select Sector SPDR (NYSE:

). Play earnings from Arcelor Mittal (NYSE:

) with the iShares S&P Global Materials (NYSE:

). Silver looks topped out, so trade the UltraShort Silver ProShares (NYSE:

). Gold miners look weak, so keep an eye on the Market Vectors Gold Miners ETF (NYSE:

). If emerging markets pull back again, play that trend with the Direxion Daily Latin America Bear 3X Shares (NYSE: LHB). Track the Euro with the UltraShort Euro ProShares (NYSE:

). Watch for a pullback in oil with the PowerShares DB Crude Oil Double Short ETN (NYSE:

). To see more trading ideas,