Topline Google parent Alphabet lost some $90 billion in market value Monday as controversy over the Silicon Valley giant’s generative artificial intelligence product made its way to Wall Street. Alphabet CEO Sundar Pichai has grappled with significant headaches from his company's generative AI ... [+] chatbot.AFP via Getty Images Key Facts Shares of Alphabet fell 4.5% to $138.75 Monday, closing at its lowest price since Jan. 5 and registering its second-steepest daily loss of the last year. The ...