Check out the companies making headlines after the bell Tuesday:
Nike stock popped after beating earnings expectations. The athletics giant is the best performing stock on the Dow Jones industrial average. During the holiday season, Nike has been benefiting from the athleisure trend as well as a lifetime deal with LeBron James.
Celegene shares rose about 7 percent after the bell when the company said it would allow for the sale of a generic version of its flagship multiple myeloma drug, Revlimid, in the United States over a year before patents covering the drug expire. The deal was part of a patent litigation settlement.
Micron Technology also posted earnings on Tuesday, beating Wall Street's expectations on the bottom line. Shares of the memory chip maker slumped in extended hours trading.