Robinhood is trying to go from being an industry disruptor to a trusted mainstay in the brokerage business. Financial services company Robinhood Markets (HOOD -2.63%) has become one of Wall Street's better- known stock brokerages. It built a reputation on innovation as the first brokerage to offer commission-free trading. During the 2020-2021 meme stock craze, it gained notoriety when technical malfunctions disrupted trading for its account holders. Although the stock trades at about 50% below its 2021 peak ...