The Newest Stock in the S&P 500 Is Obliterating Nvidia and Palantir This Year. Is It Too Late to Buy?

If history is any guide, the incredible run in Robinhood stock this year probably isn't sustainable.The S&P 500 (^GSPC 0.41%) is made up of 500 companies from 11 different sectors of the economy. To be considered for a spot in the index, there are multiple criteria, including that companies must have a market capitalization of at least $22.7 billion and must be profitable. But even after ticking those boxes, a special committee ultimately decides which candidates make the cut.The S&P 500 is rebalanced once ...