By Kit Norton
Shares of Alphabet dropped Monday in the first trading session since John Jumper, a senior research scientist and Nobel prize winner, announced Friday that he was leaving Google DeepMind for artificial-intelligence start-up Anthropic.
Alphabet stock declined 6% to $345.62 on Monday after ending Thursday up 1.2% to $368.03.
Jumper posted to social media platform X on Friday that after about nine years he has decided to leave Google DeepMind, the backbone behind the company's advanced AI models, and would be joining Anthropic.
Write to Kit Norton at kit.norton@barrons.com
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(END) Dow Jones Newswires
June 22, 2026 11:02 ET (15:02 GMT)
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