Both Alphabet and Meta said they expect their capex to continue growing this year, but investors sent Alphabet's shares up, while Meta's stock slid.

Meta, Amazon, Alphabet and Microsoft all reported earnings at the same time on Wednesday.

Alphabet and Meta both boosted their capex guidance in their first-quarter earnings reports, but Wall Street viewed one much more favorably than the other.

Microsoft, Meta, Amazon and Alphabet have posted positive report cards for the quarter past with AI infrastruture needs driving up revenue.

Both Alphabet and Meta said they expect their capex to continue growing this year, but investors sent Alphabet's shares up, while Meta's stock slid.