Robinhood stock tripled in 2025, but I think its good fortune will fade in 2026.Robinhood Markets (HOOD 2.04%) operates an investment platform where its clients can buy and sell stocks, options contracts, futures contracts, cryptocurrencies, and more. It's particularly popular with young, first-time investors because it offers commission-free trading, and a user-friendly interface.Robinhood stock had quite a year in 2025. Not only did it soar by a whopping 200%, it was also added to the prestigious S&P 500 ...