Flagship newsletter icon
From Semafor Flagship
In your inbox, every weekday
Sign up

Investors grapple with Big Tech’s AI spending spree

Apr 30, 2026, 6:21pm EDT
PostEmailWhatsapp
Traders work on the floor at the New York Stock Exchange
Brendan McDermid/Reuters

US stocks on Thursday wrapped up their best month since 2020, as investors shrugged off disruptions from the Iran war and picked winners and losers in Big Tech.

A day after quarterly earnings reports pointed to a surge in AI investments among the world’s largest tech firms, Meta and Microsoft’s stocks sank on concerns over their high spending, while Alphabet and Apple surged.

The diverging fortunes showed that pouring capital into AI isn’t enough to satisfy Wall Street.

We didn’t learn anything” from the earnings deluge, one analyst said, given that a central question remains unanswered: “Does this AI spend at some point turn into software-like margins?”

Chart showing tech stocks
AD