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Microsoft has revised its 2026 capital expenditure forecast from $190 billion to $175 billion, but the company has clearly stated that the actual investment plan has not been reduced. The $15 billion lost is mainly due to changes in asset lifespan and lease classification. Turning $190 billion into $175 billion is enough to breathe a sigh of relief for any investor worried about AI spending spiraling out of control. After Microsoft's earnings report, the market quickly caught onto two figures. Azure revenue grew 43%, while the company's latest 2026 capital expenditure forecast is $15 billion less than three months ago. Faster cloud growth combined with a lighter investment bill is arguably the best combination Wall Street can expect. Figure 1 | Wall Street first votes on revenue realization. After Microsoft's earnings report, Microsoft's stock price rose about 15.5% in a single day, with market value increasing by nearly $450 billion; Azure revenue grew 43% over the same period. Investors get faster cloud growth and a seemingly lighter capital expenditure bill. Data sources: Microsoft, Reuters. The problem is, Microsoft did not spend that $15 billion. The company was quite direct during the earnings call: excluding changes in accounting classification, the original capital investment expectations remained unchanged. Data centers still need to be built, servers still need to be purchased, and power and cooling systems have not disappeared from the construction drawings. The changes occur in how long assets are expected to last and which column of related leases should appear in the financial report. This is not a story of spending cuts. At least not yet. What is missing is the capital expenditure margin