The market might have been irrationally exuberant, given the action camera maker's recent performance.Investors sure liked what they saw when peering through the viewfinder of GoPro (GPRO 35.54%) stock on Monday. Absent of any proprietary, share price-moving news, the company seemed to benefit from what appeared to be the latest meme stock rally. With this considerable tailwind, GoPro shares closed the day almost 36% higher in price, numerous orders of magnitude better than the S&P 500's (^GSPC -0.43%) 0.4% ...