Robinhood stock is up more than 1,300% during the past three years.Robinhood Markets (HOOD 2.04%) had a fantastic 2025, with a gain of more than 200%. That caps a three-year climb of 1,360%, making it one of the best stocks to have owned during that timeframe.The stock has started to dip, but every stock has ups and downs on its way higher. Is this the beginning of a fall? Or is it a bump on the road to helping investors reach millionaire status? Investing for allRobinhood's mission is to create an investin ...