BBC News
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image captionTesla is the world s most valuable car-maker though its business is a fraction of its rivals
Tesla is poised to join America s benchmark S&P 500 stock index on Monday, giving millions more investors a stake in the electric car-maker.
Analysts say the financial milestone is a validation of a string of good news for Elon Musk s firm this year.
Demand for its cars was resilient this year despite the coronavirus pandemic.
But adding Tesla - the most frequently traded name on Wall Street - to the S&P could mean a bumpier ride for investors in funds that track the index.