Palantir Technologies Inc. PLTR stock had an incredible 2024. The company was not only added to the S&P 500 in 2024, but its 340% return made it the index's best-performing stock. The inclusion boosted demand for its shares,

Palantir Technologies was the best-performing member of the S&P 500 ( ^GSPC 1.26%) in 2024. Its share price surged 340% last year as growing demand for its artificial intelligence platform excited investors. Palantir has grown into a $181.9 billion business, but I think semiconductor comany Arm Holdings ( ARM 10.05%) can top that figure in 2025.

Palantir Technologies has been one of the hottest stocks on the market over the past couple of years, clocking eye-popping gains of more than 1,100% as of this writing thanks to its accelerating growth that's being driven by the booming demand for artificial intelligence (AI) enterprise software.