Skip to content
Revelation News
Microsoft stock surges with biggest one-day gain since 2008, adding $480 billion in market value as cloud business booms
Stocks

Microsoft stock surges with biggest one-day gain since 2008, adding $480 billion in market value as cloud business booms

July 30, 2026

Source Summary

Microsoft's stock achieved its largest single-day gain since 2008, adding $480 billion in market capitalization. The surge was driven by Azure surpassing $100 billion in annual revenue for the first time, and a new disclosure regarding OpenAI that provided market relief.

Read the Source

NASDAQ:MSFTLive chart

In depth

Microsoft experienced a historic market surge with its stock posting the largest single-day gain since 2008, resulting in an addition of $480 billion to its market capitalization. The rally was driven by two key factors: Azure, the company's cloud computing platform, crossed the $100 billion annual revenue threshold for the first time, marking a significant milestone for the cloud division. Additionally, a new disclosure regarding Microsoft's relationship with OpenAI provided market relief, contributing to investor confidence and driving the exceptional stock performance on the day.