For what it's worth, Wall Street is overwhelmingly bullish. Among the 65% of analysts who follow Nvidia, 92% rate the stock a buy and the other 8% rate it a hold ahead of the company's third-quarter earnings report. Not a single analyst recommends selling Nvidia at the present time. Here's what investors should know.

Nvidia stock has been the poster child for artificial intelligence and continues to defy the odds. But is the stock still a buy?

Also know that, unlike the S&P 500 or the Nasdaq Composite, the Dow is weighted by price rather than by market cap. Although Nvidia has an outsized influence on the movements of the cap-weighted benchmarks, at current prices NVDA stock will be as important to the DJIA as, roughly, 3M ( MMM ).

In fact, fellow Dow newbie Sherwin-Williams Co. with a market cap of $97.67 billion, is nearly three times more influential. Read: Nvidia to replace Intel in the Dow, underscoring

The stock is trading at a record high but might still be cheap based on its potential future earnings. It will release its latest quarterly financial results on Nov. 20, and the company's own revenue forecast might be too conservative.