By Heard Editors

What Happened in Markets Today

Stocks slipped back. To kick off the week, the S&P 500 shed 0.4% on Monday, and the Nasdaq Composite fell by 0.1%. The Dow Jones Industrial Average lost 215 points, or about 0.5%.

Paramount goes direct. The battle for Warner Bros. Discovery heated up again. The media group struck a $72 billion deal with Netflix last week. But Paramount Skydance on Monday launched a hostile takeover offer for nearly $78 billion. Paramount and Warner led the S&P 500, rising about 9% and over 4%, respectively. Netflix fell more than 3%.

JPMorgan poaches a top Berkshire exec. Todd Combs, head of Berkshire Hathaway's Geico unit, is leaving Warren Buffett's conglomerate ahead of its leadership transition to head a strategic-investment group at JPMorgan Chase, and act as a special advisor to Jamie Dimon. Meanwhile, Greg Abel is poised to take the reins from Buffett atop Berkshire at the end of this year. Berkshire shares were off by 1.4%.

Carvana shares zoomed higher. The online car-seller leapt on news that it would join the S&P 500. Its shares surged 12%. Building-materials supplier CRH and ventilation contractor Comfort Systems USA are also set to join.

CoreWeave stumbles on new financing deal. The cloud computing company announced a new $2 billion convertible bond offering. Its shares dropped over 2%. Investors continue to be hyper-focused on the buildout of AI computing and infrastructure.

This analysis comes from the Journal's Heard on the Street team. Subscribe to their free daily afternoon newsletter here.

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(END) Dow Jones Newswires

December 08, 2025 16:53 ET (21:53 GMT)

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