During the first half of 2025, the S&P 500 and Nasdaq-100 indexes generated total returns of 6% and 8%, respectively. Perhaps unsurprisingly, the top-performing stock across both indexes was data mining specialist Palantir Technologies (NASDAQ: PLTR), whose shares gained a whopping 80% during the first six months of 2025.
With shares of Palantir rocketing higher by the day, some investors may be wondering if the artificial intelligence (AI) darling could be the next big stock-split candidate on Wall Street.
Let’s dig into how stock splits work and what could happen with Palantir stock should the company choose to perform a split.