Alphabet Shares Slide 6% as AI Talent Exodus Hits Google

Alphabet Inc. (GOOGL) shares tumbled 6% to $343.30 in Monday trading, erasing $250 billion in market capitalization amid a cascade of negative developments. The selloff accelerated following high-profile departures of AI leadership to rivals OpenAI and Anthropic.

Noam Shazeer, Google's VP of Engineering and co-lead of Gemini AI, defected to OpenAI just two years after Alphabet paid $2.7 billion to acquire his previous venture, Character.AI. The loss was compounded when John Jumper, Nobel Prize-winning architect of AlphaFold's protein prediction breakthroughs, announced his move to Anthropic after nine years at Google DeepMind.

The talent drain coincides with legal setbacks. A California court denied Google's retrial request in a case alleging its platforms deliberately addict minors. Despite the turmoil, Wall Street maintains a Strong Buy rating with a $427.38 average price target.