The U.S. stock market ended 2024 on a high note, with the benchmark S&P 500 index up by 23.3%. That came on the heels of its 24.2% rise in 2023, so overall, the S&P was up by 53.2% since 2022 -- one of its best two-year stretches of the 21st century.

SentinelOne (NYSE: S) went public with a bang in 2021. SentinelOne stock has recovered from its low point, but it remains around 70% below its record high. SentinelOne believes machines can respond to incidents faster than humans,

Equity analyst Dan Ives has made a quite a few prescient calls in his career. In the last year alone, he predicted the Nasdaq Composite would hit 20,000, and he remained bullish on Palantir despite widespread skepticism.

Advances in artificial intelligence (AI) and the excitement around their potential drove the stock prices of some of the biggest companies in the world higher in 2024. But not every AI innovator was a big winner.

Known as one of the U.S. government's most important vendors, Palantir Technologies (NASDAQ: PLTR) and its data gathering and analytics solutions have been used for such critical tasks as fighting terrorism and tracking COVID-19 cases.