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This is Big Tech earnings week. The numbers coming out of Redmond, Mountain View and Seattle will show whether AI spending is paying off yet. Microsoft and Alphabet report after markets close on Wednesday, October 28, 2026. Amazon follows on Thursday, October 29, according to a report carried by TokenPost.
What Wall Street Expects From Big Tech Earnings Week
Analysts polled ahead of the reports expect Microsoft to post earnings of $4.71 per share. That is on revenue of $90.63 billion for its fiscal first quarter of 2027. Alphabet is expected to report $3.03 per share on roughly $127.92 billion in revenue. Amazon’s consensus estimate is $1.96 per share on revenue of about $202 billion, based on figures reported by KuCoin News. None of the three companies has confirmed these figures. They are analyst projections, not guidance.
The AI Capex Question Hanging Over the Results
Every one of these reports will be read first for capital expenditure figures. AI infrastructure spending matters more right now than the headline revenue and profit numbers. All three companies have spent heavily this year on data centers, custom chips and cloud capacity. Investors are increasingly asking when that spending converts into proportionate revenue growth. A quarter showing spending accelerating faster than AI-related revenue would likely unsettle a market already having a rough week.
A Shaky Market Walking Into the Reports
Both benchmarks were already under pressure heading into earnings week. The Nasdaq Composite closed at 25,955.34 on Friday, October 23, down 0.21% for the session. The S&P 500 finished at 7,623.68, down 0.52%, extending its losing streak for the week. That backdrop raises the stakes for each report. A market already pricing in some disappointment can swing sharply on results that beat or miss by even a modest margin. The Federal Reserve’s own rate decision lands in the same 48-hour window, adding another variable.
Why the Timing Makes This Week Unusually Loaded
Big Tech earnings week overlaps almost exactly with the Fed’s October 27-28 policy meeting. Traders are digesting rate guidance and corporate earnings at the same time. A Fed that sounds confident alongside strong AI-driven results would reinforce the market’s current optimism. A weaker combination from either side could compound the other’s effect in either direction.
Why These Four Companies Move the Whole Market
Microsoft, Alphabet and Amazon are among the handful of companies whose combined value makes up a large share of major US indexes. That is why their results tend to move the Nasdaq and S&P 500 as a whole, not just their own share prices. Apple reports separately on Thursday alongside Amazon. It rounds out the group of companies whose AI spending decisions are shaping how the broader market reads this earnings season. A disappointing set of results from even one of them can drag down sentiment well beyond that single stock.
Why AI Capex Has Become the Market’s Main Obsession
Wall Street’s focus on capital spending wasn’t always this intense. A year ago, investors cared mostly about cloud revenue growth and advertising numbers. That shifted as Microsoft, Alphabet and Amazon each disclosed sharply higher spending commitments on AI infrastructure over the past year, pushing their combined capital expenditure plans well above where they stood going into 2026. The logic now cuts both ways. Spending that outpaces revenue growth raises questions about returns on that investment, while spending seen as falling short of expectations can be read as a company pulling back on AI, which markets have punished just as harshly. That is part of why each report this week will be parsed line by line for capex guidance, not just the headline profit and revenue figures investors used to focus on first. Analysts will also compare each company’s capex guidance against what it signaled just one quarter earlier, since the pace of change has itself become a story investors watch closely.
What to Watch Once the Reports Are Out
Beyond the headline beat-or-miss, watch each company’s forward guidance on cloud growth and AI spending plans for 2027. Microsoft’s results will also be scrutinized for anything related to its financial exposure to OpenAI. That relationship has weighed on its stock since its last earnings report. However the numbers land, the reaction is likely to ripple through the rest of the market. A small number of AI-exposed companies have driven much of the S&P 500’s recent gains.
Related Coverage on Tamara News
For more on the AI infrastructure buildout behind these results, see our coverage of Anthropic’s jump in quarterly revenue, Google Cloud’s new AI chip instances, and Nvidia’s rapid AI data center build.
Big Tech Earnings Week: Common Questions
When do Microsoft and Alphabet report earnings this week?
Both report after markets close on Wednesday, October 28, 2026.
When does Amazon report?
Amazon reports on Thursday, October 29, 2026.
What revenue is Microsoft expected to post?
Analysts expect roughly $90.63 billion in revenue and $4.71 in earnings per share for Microsoft’s fiscal first quarter of 2027.
Why is this earnings week considered especially important?
It overlaps with the Federal Reserve’s October rate decision and follows a weak week for both the Nasdaq and S&P 500, raising the stakes for any surprise.
What are investors watching for beyond revenue and profit?
Capital expenditure and AI infrastructure spending figures, since these show whether AI investment is converting into proportionate revenue growth.
Has any of the three companies confirmed these estimates?
No. The figures are analyst consensus projections, not guidance from Microsoft, Alphabet or Amazon.
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