Tech giant reports earnings of $3.72 per share day after deal with OpenAI pushed value of company to more than $4tn

Microsoft and OpenAI announced Monday a series of new business partnerships aimed to advance artificial intelligence capabilities in U.S. commerce.

Microsoft's cloud business has been growing faster than rival Amazon Web Services, as the company ramps up artificial intelligence investments.

Analysts are closely watching megacap tech earnings as the reports could be a crucial signal about where the U.S. stock market is heading.

Microsoft and OpenAI are key partners in cloud and artificial intelligence, but they're increasingly becoming competitors as well.

Tech giant reports earnings of $3.72 per share day after deal with OpenAI pushed value of company to more than $4tn

With the largest cloud and internet companies reporting results this week, it's clear that spending on artificial intelligence is only increasing.