In this photo illustration, the AMD company logo is seen displayed on a ... [+] smartphone screen. (Photo Illustration by Piotr Swat/SOPA Images/LightRocket v

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).

First, the company has its long-standing Amazon Prime subscription business. Subscription revenue was $43 billion over the last 12 months, up from a measly $2.76 billion in 2014. Amazon has the ability to let these profits fall to the bottom line if it decides to stop reinvesting for growth.

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.

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

Analysts have been busy updating their discounted cash flow models and price targets for Nvidia (NVDA) after the most important AI company in the world failed to give the sort of blow-out revenue guidance Wall Street has come to expect.