Market leaders of the year seldom come back for a repeat performance year after year. And losers eventually turn around due to the "regression to the mean" theory in which extreme moves up or down even out over the long run. Here is an overview of five ETFs in alphabetical order that our panel of investment strategists is making contrarian bets on. They explain why each of these is due to rebound in the New Year. 1. IQ Global Resources ETF (GRES)