The "Fast Money" traders give their final trades of the day.
Three sectors have managed gains of more than 20 percent in 2014, while two others are lagging badly.
Among other mid-cap companies, JetBlue, Pilgrim's Pride and Mohawk Industries may cash in on economic trends, a fund manger said.
Experts Nelson and Costa said in an interview with CNBC that stock picking is the way to go for investors next year.
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