GoPro shares surge on strong guidance

GoPro (GPRO) shares jumped after the camera maker said it expects to turn an adjusted profit in the third quarter. The company expects revenue and gross margin for the third quarter to be at the high end of its previously announced ranges of $290 million to $310 million and 36% to 38%. GoPro also expects to be profitable on a non-GAAP basis in the third quarter. Shares are up 14.6% as of 11:30 a.m. ET.

Fitbit shares gain on new partnership

Fitbit (FIT) has reached a deal with DexCom, a leader in continuous glucose monitoring for people with diabetes. The two companies plan to work together to develop products for people to monitor their activity and glucose levels on their wrist. In a statement, Fitbit CEO James Park said, “The strength of our brand and our ability to track critical health metrics continuously for up to 4+ days, coupled with Dexcom’s market leadership in CGM, present a powerful combination that we hope will help millions of people better manage their diabetes.”

Airlines cancel flights ahead of Hurricane Irma

Buckingham Research is warning that airlines could take a hit through the fall and winter if tourism to Florida and the Caribbean suffers due to the impact of Hurricane Irma. American Airlines (AAL) and Southwest Airlines (LUV) have already started canceling flights to the south Florida region because of the storm.

For more on Thursday’s big stock movers and breaking news after the bell, check out The Final Round, starting at 3:55 p.m. ET, on Yahoo Finance.