This article first appeared on GuruFocus. Alphabet (NASDAQ:GOOG), the parent of Google, YouTube and Google Cloud, fell approximately 1.5% in Tuesday's regular session as investors absorbed a shake-up at the heart of Google's AI empire. Demis Hassabis stepped down as Google DeepMind's…This story appeared on finance.yahoo.com , 2026-08-11 19:04:49.