Nvidia was gaining early Thursday amid signs of robust demand for artificial-intelligence chips from the wider market.Nvidia shares were up 1.7% at $148.77 in morning trading. The stock fell 1.4% on Wednesday.

To that end, Nvidia bears frequently highlight custom AI chips from big technology companies like Amazon ( AMZN 2.48%) and Alphabet ( GOOGL -1.51%) ( GOOG -1.54%) as cause for alarm. While both companies have designed custom silicon for their data centers, recent commentary should put Nvidia investors at ease.

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 reports its much-awaited third-quarter results next Wednesday after the market close. Shares are in a buy zone. Technically, that makes Nvidia stock a buy. But investors who follow the IBD Methodology and realize there's earnings risk are wondering,