Bets that Fitbit is in trouble are piling up (FIT)

Fitbit has had a rough go of things over the past year. The stock tumbled by 75% in 2016 amid an increasingly competitive market for wearable devices.
In November the company slashed its earnings-per-share guidance for the crucial holiday quarter to just a quarter of what analysts had been expecting.
More recently, Bloomberg News on Wednesday reported that inventories may be piling up, citing an analyst at Cleveland Research. The analyst also reportedly said the company's suppliers had halted pr