GoPro tumbles on Apple sports camera patent news Shares of GoPro Inc. skidded on Tuesday, at one point tripping a Nasdaq short sale circuit breaker. The selloff was sparked by news that Apple Inc. was granted a patent for a sports camera, according to Seeking Alpha. GoPro shares fell 8.5% to $51.98 in recent trading with the stock shedding 15% so far this week. Sue Chang