Key Points Palantir's valuation has reached unprecedented levels. BigBear.ai's lack of growth is a red flag. 10 stocks we like better than Palantir Technologies › Positioning your portfolio for 2026 is a wise idea in the last few weeks of 2025. While many are focused on buying the stocks they think will succeed in 2026, it's also important to sell any stocks that have reached their full potential as well. Selling locks in gains and frees up cash, and I've got two popular artificial intelligence (AI ...