Why Buying Nvidia Stock on the Dip Is Probably Smart -- and Buying Palantir Stock Probably Isn't

Sometimes you're hot. Other times you're not. Nvidia (NVDA -0.75%) and Palantir Technologies (PLTR 4.06%) have been on both sides of the fence in recent months.Coming into 2025, these two artificial intelligence (AI) stocks were on a roll. Nvidia's shares soared 171% last year while Palantir skyrocketed a whopping 340%. The stories are much different now. Both stocks are down more than 20% from their peaks (with Palantir plunging nearly 30% below its previous high). Is buying these two once-hot AI stocks on ...