Dell and Palantir shares both surged in extended trading on Friday after S&P Global announced that the two technology companies would join the S&P 500 U.S. stock index.
Palantir will take the place of American Airlines, and Dell is replacing Etsy, according to a statement.
Super Micro Computer, which competes with Dell in selling servers for AI workloads, joined the S&P 500 earlier this year following a historic rally in the stock that has pushed the company’s market cap past $50 billion. Its value has since been sliced in half.
After operating as a venture-backed startup for over a decade, Palantir went public on the New York Stock Exchange in 2020, and in the fourth quarter of 2022, the company started posting profits. In the second quarter, Palantir’s net income totaled $135.6 million, up from $27.9 million in the same period a year earlier.
Cybersecurity vendor CrowdStrike was added to the index during the previous rebalancing, in June.
Shares of companies added to the benchmark often rally after the announcement because fund managers who track the index regularly update their portfolios to mirror the additions.
— CNBC’s Ari Levy contributed to this report.
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