Nvidia becomes biggest single-stock weight in S&P 500 history

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Nvidia now holds more than 8% of the S&P 500, the largest weight for any one stock in the index since records began in 1981, according to data from CNBC. The company’s market value closed Monday at about $4.5 trillion, giving it unprecedented sway over the benchmark. This historic share of the index comes after a massive run in its stock price, powered by demand for its chips since late 2022. The rally has been relentless. Nvidia’s stock soared 239% in 2023, climbed 171% in 2024, and has already...