While the broader S&P 500 has enjoyed a resilient 2025 with consistent record highs, some individual names have suffered heavy losses.In this case, the three worst performers in the index have each shed between 47% and 62% of their value this year. S&P 500 worst perfoming stock of 2025. Source: Charlie BilelloAt first glance, such sharp declines may seem like red flags, but for long-term investors, they could represent rare entry points into fundamentally strong businesses.The Trade Desk (NASDAQ: TTD)Leadin ...