Dougherty Upgrades Ambarella Despite GoPro Pain By: Benzinga via Benzinga February 04, 2016 at 11:10 AM EST Ambarella Inc (NASDAQ: AMBA) shares have declined 64.88 percent over the past six months, down to a low of $36.43 on January ... Read More >> Related Stocks: Ambarella Inc Bio-Techne Corp Gopro Inc Cl A