Amazon, Under Armour, Pandora: Fast Money Picks For December 8

On CNBC's Fast Money Final Trade, Pete Najarian said he would buy Amazon.com, Inc. AMZN.

Tim Seymour likes Under Armour Inc UA. He added that he has always been negative on the stock, but now it seems to him that the stock is consolidating.

Karen Finerman would buy Pandora Media Inc P. She thinks there is a possibility of a takeover.

Steve Grasso is also a buyer of Under Armour. He thinks it will benefit from a lower tax rate.