Nvidia (NVDA 5.21%) and Palantir Technologies (PLTR -2.38%) both have been early winners of the artificial intelligence (AI) revolution. Last year, their shares soared in the triple digits. Nvidia advanced 171% for the best performance in the Dow Jones Industrial Average, while Palantir surged 340% for the top performance in the S&P 500. And in 2024, those indexes had just invited Nvidia and Palantir to join, a sign that these companies are among the top players driving the economy.These tech superpowers bo ...