CNBC's Biggest Pops & Drops Of 2014

On

, traders spoke about stocks that recorded the best and the worst performance in 2014. Brian Kelly said that

gained 40 percent year-to-date, but he is not sure that the stock is going to continue forward with the same strength and pace. Traders with a long position should hold

because it still has a strong dividend, thinks Kelly.

lost 14 percent in 2014 and that was its second bad year in a row, said Jim Lebenthal. He thinks that

will have a great 2015 because it divested a lot of bad businesses and it made partnerships with

and Intel. Lebenthal believes that there is a bright future for application of artificial intelligence in medical business, which should be good for the sales of IBM.

spiked 112 percent in 2014 and David Seaburg thinks that it is going to trade much higher in 2015. The company has been a massive beneficiary of lower crude oil price and it doesn't hedge crude oil. Tim Seymour commented on a 24 percent decline in

in 2014. He believes that the stock is not cheap and that traders should stay away from this name.