Is The Trade Desk Still a Long-Term Winner?

The stock has outperformed the broader market since 2016, but has slumped 40% from its all-time high.Stock prices can do irrational things from day to day, or even for a few years. But if you look at more extended periods, you'll see that the market is pretty good at sniffing out winning and losing companies. That's why The Motley Fool recommends long-term investing.So, when a stock, say, The Trade Desk (TTD 0.46%), returns over 2,300% since its initial public offering in 2016, investors can feel like that ...