AI revenue run rate reached $13 billion, as the company reported $69.6 billion in revenue for the December quarter, up 12%, with earnings of $3.23/share, topping Wall Street's expectations by both measures.

Before that, a clip of Satya Nadella being “good” with his $80 billion went viral, and it seems as if Microsoft is only doubling down on AI from now. It recently reported its fiscal Q2 2025 earnings.

Microsoft on Wednesday forecast disappointing growth in its cloud computing business, sending its shares down 4.5% in after-hours trading as investors worry about big spending, elusive artificial intelligence revenue and competition from cheaper AI models from China.

Meta and Microsoft outperformed in Q4 and Q2 earnings but saw diverging market responses. See why META and MSFT stocks are poised for growth with agentic AI.

"Investing 'very heavily' in capital expenditure and infrastructure is going to be a strategic advantage over time," Mark Zuckerberg said.

Key tech stocks were a mixed bag in early trading Thursday after executives at Meta and Microsoft said they plan to keep pouring billions of dollars into AI – despite lingering anxiety over the launch of China-based DeepSeek’s AI model.