Fitbit selloff spreads to GoPro ahead of quarterly report

By Noel Randewich SAN FRANCISCO (Reuters) - Investors on edge about GoPro's slumping sales ahead of its quarterly report on Thursday appeared even more anxious following fellow consumer gadget maker Fitbit's dismal revenue forecast late the day before. GoPro's stock fell 5.02 percent ahead of its third-quarter report after the bell, while Fitbit tumbled 30.6 percent after Wall Street analysts cut their ratings and pointed to uncertainty about future demand for its fitness bands. While Fitbit's c