Did AMD Just Give a Big Reason to Buy Nvidia Stock Hand Over Fist?

There was good news for Nvidia if you read between the lines in AMD's Q3 update.You've probably heard the adage, "Birds of a feather flock together." This old saying is often applicable to stocks. Good news for a company can be good news for its rivals and vice versa.Advanced Micro Devices (AMD -3.05%) stock declined sharply on Wednesday after announcing its third-quarter results. Some could interpret this sell-off as potentially a warning sign for the company's top rival, Nvidia (NVDA -4.72%). However, tha ...