Meet the Newest Stock in the S&P 500. It Soared 880% Over the Past Decade, and It's Still a Buy Right Now, According to Wall Street.

This artificial intelligence (AI) hardware specialist was added to the benchmark S&P 500 Index after years of solid growth. The S&P 500 is the most widely followed benchmark of the stock market in the U.S., comprised of the 500 largest companies in the country. Given the breadth of its component companies, it is considered to be the most reliable gauge of overall stock market performance. To be considered for membership in the S&P 500, companies must meet the following requirements: Be a U.S.-based company. ...