Palantir and BigBear.ai have gone in opposite directions since their market debuts. Palantir, which opened at $10 on its first day, now trades at nearly $120. BigBear.ai, which opened at $9.84 after its SPAC merger, now trades at about $9. Let's see why the bigger AI company outperformed the underdog, and if it's still the better investment now.

Palantir (NASDAQ:PLTR) shares have taken a sharp hit, sliding ~17% since yesterday morning after CEO Alex Karp unveiled plans to offload up to

Palantir's valuation is retreating today after Walmart issued sales guidance for this year that spooked Wall Street. On the heels of a 5.6% increase for its annual revenue last year, the retail giant only expects sales growth to be between 3% and 4% this year.