Microsoft shares drop after introduction of Claude office tools

Microsoft shares fell 2.2% at Tuesday’s close after Anthropic unveiled office productivity tools that directly compete with parts of the Office suite. The software sector fund declined by about 2%, allowing Nvidia to reclaim the global number two spot in market capitalization despite the close multi-billion-dollar partnership between Microsoft and Anthropic.
A revolution in our offices: OpenAI enters the war of the giants against Microsoft and Google

In a move that could redraw the map of office work software, OpenAI, the creator of ChatGPT, is preparing to challenge the dominance of Microsoft Office and Google Workspace by developing its own integrated productivity tools.