GoPro failed to meet analysts expectations in the last quarter ending September 30, reporting lower demand for its wearable cameras.
Shares slumped 14 percent to $26.05 per share in extended trading on Wednesday.
Revenue from its Americas market fell 7% to $190.8 million. Internationally the company’s market nearly tripled to $209.8 million.
GoPro’s helmet- and body-mounted cameras are popular with surfers, skydivers and other extreme sports participants. However, new competitors are taking part of its market, as is better camera’s on the iPhone 6 range of smartphones.
Net income rose to $18.8 million, or 13 cents per share, in the third quarter ended Sept 30.
Revenue rose 43% to $400.3 million.
Excluding one-time items, it earned 25 cents per share.
Analysts on average had expected the company to earn a profit of 29 cents per share on revenue of $433.6 million.