Check out the companies making headlines after the bell Tuesday:
Fitbit stock dipped in after-hours trading on Tuesday. Earlier in the day, the fitness wearables manufacturer unveiled its new $200 Apple Watch-like model, Blaze, at the Consumer Electronics Show in Las Vegas. At the market's close, Fitbit shares were already down more than 18 percent.
Shares of Spirit Airlines edged up in extended-hours trading. The discount airline's stock jumped in the regular session after the company