Shares of GoPro (GPRO) were down sharply in trading on Monday after the company chose to warn the market that the company would report very week results for Q4 2017. The company also reported it would lay off 20% of its workforce, discontinue its drone business, and was rumored to be considering selling itself. The latter rumor was later denied by GoPro, thus ending any speculation of a pending sale. Shares of GPRO closed at 6.56, down -12.77%. Keep an eye on the stock for further developments.