Meta CEO Mark Zuckerberg plans to ramp up his company's spending on artificial intelligence in 2026. Wall Street seems fine with that plan. In its fourth-quarter earnings report on Wednesday, Meta beat on the top and bottom lines while also revealing that its AI-related capital expenditures this year will be between $115 billion and $135 billion. That's nearly twice the amount Meta spent on capex last year, when the company revamped its AI unit . Although investors have previously expressed