Alphabet shares dive after Google AI chatbot Bard flubs answer in ad

LONDON – Alphabet lost $100 billion (¥13.16 Alphabet shares, which slid as much as 9% during regular trading, were flat after hours. Microsoft shares rose around 3% before paring gains. They were also flat in post-market trading. Reuters was first to point out an error in Google's advertisement for chatbot Bard, which debuted on Monday, about which satellite first took pictures of a planet outside the Earth's solar system.