It’s Getting Pricey to bet Against QQQ

Bolstered by an ongoing biotechnology rally and surges by Amazon (NasdaqGS: AMZN) and Facebook (NasdaqGS: FB), the PowerShares QQQ (NasdaqGM: QQQ), the Nasdaq-100 (NDQ) tracking ETF, is up more than 7% year-to-date and hit another all-time Thursday. Even with those bullish data points in its favor,...