Three things we learned about AI from Big Tech earnings

Major tech companies including Microsoft, Meta, and Google are investing heavily in AI infrastructure despite a lack of clear, immediate revenue from these tools. Recent earnings reports show significant spending on chips and data centers, leading to reduced free cash flow for some firms.
Why it matters
The massive capital expenditure on AI is a critical test for the tech industry, as investors increasingly demand tangible financial returns on these multi-billion dollar bets.
Image source, Reuters Image caption, Leaders of tech companies Meta, Amazon and Google all reported quarterly financial results in in recent days
The world's biggest technology companies - including Microsoft, Meta, Google, Apple and Amazon - updated Wall Street this week on their finances.
One common thread emerged: they are all planning to continue spending massive amounts of money on artificial intelligence (AI).
The reaction from investors was that they need to see more tangible results to show for the $1tn (£743bn) and growing , external investment in things like computer chips, data centres, and even technical staff. That sent some tech stocks on a wild ride in recent days.
While each company operates in different sectors, their AI spending and plans showed they have a few other things in common as well.
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