Microsoft Stock Falls On Anthropic Challenge To Office Software Microsoft Stock Falls On Anthropic Challenge To Office Software · Investor's Business Daily PATRICK SEITZ Tue, November 10, 2026 at 2:31 PM EST 1 min read ANTH.PVT MSFT -1.71% GOOGM -0.17% Trade MSFT on Coinbase Trading disclosure Trading disclosure The above button links to Coinbase. Yahoo Finance is not a broker-dealer or investment adviser and does not offer securities or cryptocurrencies for sale or facilitate trading. Coinbase pays us for certain activity generated through this link. Prices displayed are informational.
Microsoft stock fell Tuesday after AI bigwig Anthropic announced a set of tools that could rival Microsoft's Office suite.
