Key Highlights

● Microsoft capex of $45.2 billion fell short of the roughly $50.7 billion consensus.

● CoreWeave, Nebius and Applied Digital fell on Thursday after the lighter capex.

● Microsoft guided to capex above $50 billion in its next quarter.

● Revenue reached $92.3 billion and adjusted Earnings of $4.89 a share beat estimates.

Microsoft (NASDAQ:MSFT) spent less than expected on capital projects last quarter, and the companies that rent out AI computing power felt the shortfall on Thursday.

A miss that wasn't about demand

Usually, a company spending less than Wall Street expects is greeted as good news for its own shareholders. Microsoft's latest quarter showed how that same number can hurt someone else.

Microsoft reported capital expenditures of $45.2 billion including finance leases, below the roughly $50.7 billion consensus, according to media reports. The company blamed the shortfall on delayed third-party capacity, in other words computing capacity from outside providers that arrived later than planned. Cash spending on property and equipment was $39.4 billion, according to market data.

Who felt it

The companies most exposed were the so-called neoclouds, providers that build AI data centers and Lease computing power to tech giants. CoreWeave (NASDAQ:CRWV) and Nebius (NASDAQ:NBIS) both slid on Thursday, with market data tying the drop to Microsoft pointing to a lower capex commitment. Applied Digital (NASDAQ:APLD), an AI infrastructure name, also fell, moving with the AI-infrastructure selloff according to market data.

One brokerage pointed to a related concern: tight financial conditions for heavy data-center spenders. Neoclouds have faced financing worries, so they are sensitive both to Demand from customers like Microsoft and to the cost of financing. With the Federal Reserve holding rates steady after a September hike and many traders expecting another increase in December, that cost is not getting cheaper.

Demand is not the problem

The irony is that Microsoft's demand picture remained strong. CFO Amy Hood said customer demand "continues to exceed available supply," according to media reports. The company guided to capex above $50 billion in its next quarter, a sign it expects spending to catch up.

Microsoft's broader results were robust. Revenue reached $92.3 billion, and adjusted earnings of $4.89 a share beat the $4.72 estimate, according to market data. Microsoft Cloud revenue hit $63.9 billion. One report described the results as "a big cash-flow beat."

For neocloud investors, though, the near-term signal was less spending flowing their way, at least for now.

Microsoft's own stock

Microsoft's shares rallied in Wednesday's after-hours session but finished Thursday roughly flat to lower, according to market data. Other sources had it lower at midday. One market commentator said, "Microsoft provided both, and that eased some of the worry about what its growth is going to cost."

That resilience stood out against Alphabet (NASDAQ:GOOGL), which suffered its worst day since its 2004 IPO after reporting negative free Cash Flow of $9.07 billion.

A market sorting AI exposure

The neocloud declines were part of a broader reshuffling. The Nasdaq Composite fell 365.13 points to 26,184.72, and the S&P 500 slipped 23.59 points to 7,720.39. Chip stocks fell, with the semiconductor index snapping a four-day winning streak.

At the same time, investors rotated into other areas. More than 400 S&P 500 members rose and the Russell 2000 gained 28.71 points to 2,859.22. One market analyst said that "markets are no longer rewarding companies simply for investing heavily in AI."

What to watch

The key question for neoclouds is whether Microsoft's delayed capacity eventually flows through. If Supply constraints ease and Microsoft spends above $50 billion next quarter as guided, some of the money that did not arrive this quarter could show up later.

Investors will also watch the financing environment. Friday's Employment Cost Index and the Fed's December 8-9 meeting will shape borrowing costs for capital-intensive AI builders. And with Amazon (NASDAQ:AMZN) reaffirming a $220 billion capex plan and Alphabet saying 2027 spending will rise significantly, the broader pool of AI demand remains large. The challenge for neoclouds is ensuring their share of it arrives on schedule.