The tech giants vow to barrel ahead despite the jolt from China’s DeepSeek.

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

Microsoft has spent months touting a rebound in its Azure cloud business and its quarterly revenue forecast on Wednesday will show whether billion-dollar bets on artificial intelligence are propelling increased growth in its main profit engine.

Microsoft has tested Wall Street's patience by plunking down huge amounts of cash in pursuit of profits from AI that have yet to satisfy investors.

Microsoft reported slower-than-expected growth in its crucial Azure cloud business on Wednesday despite beating estimates for overall quarterly revenue and increasing use of its cloud services for artificial intelligence.