Wall Street is changing how it judges artificial intelligence spending. Investors once rewarded major technology companies for expanding data centers, buying chips, and building new AI services. Strong revenue growth often eased concerns about the cost.
That pattern changed after Alphabet and Tesla reported second-quarter results. Both companies posted sharp share losses after announcing higher spending plans. The reaction showed that investors now want clearer proof that AI investment can support cash flow, margins, and earnings.
This shift comes before earnings from Microsoft and Meta on Wednesday, followed by Apple and Amazon on Thursday. Their capex forecasts, cloud growth, and free cash flow will give investors new data on the cost of the AI buildout.
Alphabet raised its 2026 capital expenditure forecast to between $195 billion and $205 billion. The range increased from an earlier estimate of $180 billion to $190 billion. Most of the spending will support servers, data centers, networking equipment, and AI computing capacity.
Google Cloud revenue rose 82% to $24.8 billion during the quarter. Total revenue reached $119.8 billion, above market estimates. However, Alphabet recorded negative free cash flow of $5.9 billion. Its shares then fell 7.13% on July 23, cutting about $294 billion from its market value.
Investors focused on the gap between rising revenue and heavier cash use. Alphabet said demand still exceeded its available capacity. Still, the higher spending forecast raised questions about how quickly new infrastructure can produce steady returns.
Tesla also increased pressure on the AI spending trade. The company spent a record $5.79 billion on capital projects during the second quarter. That spending helped push free cash flow to negative $1.09 billion.
Management expects 2026 capital expenditure to exceed $25 billion. Tesla plans to fund robotaxis, Optimus production, AI compute, factories, solar manufacturing, and other projects. Elon Musk called 2026 a “massive capex year,” while finance chief Vaibhav Taneja said spending could rise for another two or three years.
Tesla shares dropped about 14% after the report. Investors also reviewed weaker earnings and lower cash generation. The market response added to concern that large AI plans can pressure stocks when spending rises faster than near-term profit.
Michael Burry said, ‘the market has voted and the results are clear.’ He referred to data showing that Alphabet, Microsoft, Amazon, Meta, Oracle, Micron, and Tesla had weighed on the S&P 500 since early June.
Apple stood apart from that group. The company has avoided the largest AI infrastructure budgets and has relied more on partnerships with model developers. Apple shares gained strongly in July as investors favored its lower spending approach.
AI demand continues to support cloud growth, chip sales, and enterprise adoption. Big Tech companies still plan to spend more than $700 billion this year, mainly on computing infrastructure. Analysts expect Microsoft, Meta, Amazon, and Alphabet to face closer review as they publish new results.
Wall Street is not rejecting AI investment. Instead, investors are applying a stricter test. Companies must now show that higher capital spending can produce revenue growth without weakening cash flow for long periods.
Also Read: US Stock Market Today: Wall Street Gains as Chip Stocks Rebound Before Megacap Earnings