BigBear.ai has big problems scaling its AI business.There's little doubt that Palantir Technologies (PLTR -0.19%) is one of the most significant stock market stories of the decade, so far. The data mining company unveiled its Artificial Intelligence Platform (AIP) in 2023 and since has been climbing fast.Palantir jumped 340% in 2024, making it the best-performing stock in the S&P 500, and its 118% gain so far this year puts it at a close second to Seagate Technology for 2025. An investment in Palantir of ju ...