Alphabet suffered its steepest one-day stock decline in more than a year on Monday, with shares falling about 5% as investor concerns grew over artificial intelligence competition and the loss of key talent.
The report said the departures raised fresh questions about Google’s ability to retain top AI researchers despite significant investments in the sector. Alphabet has reportedly raised about $141 billion through debt and equity since October to support its AI expansion efforts.
Investor sentiment was also affected by comments from Microsoft CEO Satya Nadella, who suggested AI models could become increasingly commoditized.
Adding to concerns, some users reported outages on Gmail and YouTube, further weighing on market confidence in the tech giant.
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Alphabet paces for worst day in a year on AI concerns after high-profile exits https://t.co/TvIhqSE6v7
— CNBC Tech (@CNBCtech) June 22, 2026
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