Best and Worst Sector ETFs for December

The month of December has been one of the strongest periods of the year for equities, and some areas of market and sector-related exchange traded funds may stand out during the Santa Claus rally. Over the past month, the SPDR S&P 500 ETF (NYSEArca: SPY), iShares Core S&P 500 ETF (NYSEArca:...