Key Takeaways Robinhood is joining the S&P 500 as part of the quarterly rebalance, boosting its market credibility.Strong crypto and options volumes fueled record results, driving HOOD's shift to a diversified brokerage.HOOD shares have soared 171.7% this year, far outpacing the industry's 22.1% gain in the same period.In a landmark moment for the Fintech sector, Robinhood Markets (HOOD) is joining the S&P 500 index as part of the quarterly rebalance. This underscores the company’s transformation from a dis ...