GoPro’s launch of the Karma drone is partly a reaction to the declining camera market. Panjiva data for Chinese exports shows shipments fell 19% in the three months to July. U.S. digital camera imports have been falling through 2016, though there was a 12% improvement in August ahead of the holiday shopping season. GoPro’s imports into the U.S. increased 21% in August on a year earlier, suggesting an inventory build ahead of the Karma’s launch. This comes as the market for drones is taking off – U.S. imports increased 155% in August, with Toy ‘R’ Us increasing its imports seven-fold on a...