On Aug. 27, Nvidia is set to report its fiscal second-quarter earnings. Only time will tell what those earnings reveal, but it's natural for investors to wonder if they should buy Nvidia's stock before the earnings to potentially take advantage of a post-earnings stock price boost.

Nvidia recently hit a $4 trillion market value, a feat that highlights the massive confidence investors have in the company right now. According to The New York Times, Nvidia became the first