GoPro’s ambitious plans to be a player in the fledgling drone market crashed last week when it had to announce a product recall due to Karma UAV units falling from the sky. The company needed to resolve a performance issue related to loss of power during operation, it said. It indicated it would resume shipment of Karma at some point, but didn’t suggest when. The Karma recall likely will have a significant impact on GoPro’s stock price and revenue, said Michael Blades, a senior industry analyst at Frost & Sullivan.