Microsoft shares finished the session roughly flat as the company worked to resolve a major global outage that disrupted Outlook, Teams, and Copilot services across more than 70 countries. While the service disruption initially pressured the stock, shares steadied throughout the day as management confirmed that service was returning to normal and clarified that the incident was caused by a network capacity upgrade rather than an AI-related failure. The stock also navigated broader sector volatility, including a decline in peer NVIDIA and a strategic pivot toward in-house AI chip production with the Maia 300, which aims to reduce reliance on third-party cloud vendors like Oracle.