Nvidia isn't the only stock to watch. Why experts say you should consider buying others just like it.

Nvidia reported earnings on Wednesday, topping analysts' estimates. Of course, the AI chipmaker is the focus of the market most days. Nvidia (NVDA) is one of the so-called Magnificent Seven — the large-cap technology companies that generate the most interest and arguably the highest profits in the stock market, particularly the S&P 500 index (^SPX). The group includes Nvidia, Apple, Amazon, Google's parent company Alphabet, Facebook's Meta, Microsoft, and Tesla. If you're thinking about buying Nvidia, a po ...