GoPro Hero Vs. Xiaomi Yi: Do Investors Have Something To Worry About? By: Benzinga via Benzinga March 02, 2015 at 15:04 PM EST Xiaomi's Yi Action Camera caused quite a stir on Monday. Investors fear that the $64 device will pose a serious threat to GoPro ... Read More >> Related Stocks: Bio-Techne Corp Gopro Inc Cl A