Ambarella's Stock Is Plunging And Taking GoPro With It By: Benzinga via Benzinga September 02, 2015 at 14:40 PM EDT Shares of Ambarella Inc (NASDAQ: AMBA) plunged more than 12 percent Wednesday morning after the company's second-quarter print contained ... Read More >> Related Stocks: Ambarella Inc Bio-Techne Corp Gopro Inc Cl A