Microsoft Shares Jump 8.44% After Record $35.8B Quarterly Profit on $90B Revenue

Microsoft (MSFT) closed at $423.50 on July 30, 2026, up $32.96 or 8.44% from the prior session, after the company posted fiscal fourth-quarter earnings that included a record profit of $35.8 billion and 18% revenue growth to $90 billion. The earnings were released after the market close on July 29, 2026 at 9:30 p.m. (MarketWatch). Shares had already surged over 10% in pre-market trading before settling to the 8.44% closing gain (Yahoo Finance).

The closing price of $390.54 on July 29 set the baseline for the move (Yahoo Finance). The roughly $33 per-share gain translates into an enormous dollar increase in market capitalization for a company of Microsoft's size. Prior to the report, options traders had priced in an expected swing of approximately $190 billion in market value following the results (Reuters).

Microsoft had announced on July 8, 2026 that it would publish its fiscal year 2026 fourth-quarter financial results after the market close on July 29 (Nasdaq). The earnings release delivered both top-line acceleration and a record profit figure. The $35.8 billion in net income and $90 billion in revenue represent the figures reported in Microsoft's latest quarterly earnings (Yahoo Finance).

The 18% revenue growth rate is notable for a company of Microsoft's scale. Double-digit top-line expansion at this revenue base requires substantial incremental demand, and the market's reaction suggests investors viewed the print as clearing or exceeding expectations embedded in the July 29 closing price. The pre-market surge above 10% indicated an initial gap higher that partially retraced by the close, though the 8.44% settled gain remains a significant single-session move for a mega-cap stock.

The options market's pre-earnings pricing of a ~$190 billion swing provides context for the magnitude of uncertainty traders assigned to the event. That implied volatility was resolved decisively to the upside. The closing move added roughly $33 per share on top of a $390.54 base, and while the exact dollar change in market capitalization depends on shares outstanding (a figure not provided in the available data), the direction and magnitude of the repricing are unambiguous.

For investors and market participants, the key figures to track: record quarterly profit of $35.8 billion, revenue of $90 billion at 18% growth, and an 8.44% single-session stock appreciation to $423.50. The gap between the pre-market surge of over 10% and the closing gain of 8.44% suggests some profit-taking or reassessment intraday, though the net move remains firmly positive.

Looking at what this means for the broader market, a single-stock move of this size in a top-weighted index component has measurable implications for index-level performance. Microsoft's weighting in the S&P 500 and Nasdaq Composite means an 8.44% advance contributes materially to index returns on any given session. The earnings result also serves as a data point for investors assessing whether the revenue growth trajectories of large-cap technology companies are accelerating, decelerating, or holding steady at elevated rates.

The fact that options traders had identified a ~$190 billion expected swing underscores the scale of positioning and hedging activity that surrounded this earnings event. Large implied moves that resolve in one direction can trigger gamma-driven flows and dealer rehedging, though the specifics of any such activity are not captured in the available data.

Microsoft's next catalysts and forward guidance details from the earnings call are not reflected in the verified facts available. What is confirmed: the company delivered record profitability, accelerated revenue, and the market responded with a sharp repricing higher.