Get all your news in one place.
100's of premium titles.
One app.
Start reading
Fortune
Fortune
Jim Edwards

Tech execs admit AI is a bubble and they're pretty happy about it: 'We can't deny there's a ridiculous amount of investment going on'

Photo: Lisbon , Portugal - 13 November 2025; Laura Chambers, CEO, Mozilla on Centre Stage during day three of Web Summit 2025 at the MEO Arena in Lisbon, Portugal. (Photo By Ramsey Cardy/Sportsfile for Web Summit via Getty Images) (Credit: Photo By Ramsey Cardy/Sportsfile for Web Summit via Getty Images)

If the AI boom had a physical form, it was alive and kicking at Web Summit this week as 71,000 startup founders, venture capital investors, tech CEOs, and the media who follow them gathered under literal storm clouds in Lisbon, Portugal, to discuss the future of the industry.

Tech stocks sold off dramatically as the conference wore on, after ‘Big Short’ investor Michael Burry pointed out that some AI hyperscaler tech companies—including Meta and Oracle—were elongating the depreciation schedules of their AI capital expenditure (capex) to make their short-term profitability look more favourable. The Nasdaq Composite lost 2.3% yesterday. In addition, Oracle shares declined by 30% over the last month as investors rejected the company’s plan to increase its debt in large part to spend more on AI chips. 

Sign up to read this article
Read news from 100's of titles, curated specifically for you.
Already a member? Sign in here
Related Stories
Top stories on inkl right now
One subscription that gives you access to news from hundreds of sites
Already a member? Sign in here
Our Picks
Fourteen days free
Download the app
One app. One membership.
100+ trusted global sources.