The past two years have been absolutely phenomenal for Nvidia (NASDAQ: NVDA) investors, as shares of the graphics card specialist shot up 736% during this period once it became evident that the company is going to play a central role in the proliferation of artificial intelligence (AI).

The chipmaker has already been a huge winner, but investors may be overlooking a crucial detail that's hiding in plain sight.

Nvidia stock has been on a disappointing run since its earnings last week but the good vibes looked set to return in a holiday-shortened session Friday.