By Lewis Krauskopf

NEW YORK (Reuters) -The rift between President Donald Trump and Tesla chief Elon Musk has captivated the world as a political drama, but it has also become a Wall Street spectacle, highlighting the risk to equity markets from the world’s biggest stocks.

Tesla shares slid 14% on Thursday as Musk and Trump feuded largely on social media, including the president threatening to cut off government contracts to Musk’s companies.

Although the stock modestly rebounded on Friday, Thursday’s decline dragged down some of the most closely followed equity indexes, which are more heavily influenced by companies with the largest market values.

Tesla’s fall accounted for about half of Thursday’s declines for both the S&P 500 and the Nasdaq 100, which fell 0.5% and 0.8% respectively,

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