Shares of Amazon ( AMZN +3.99%) jumped on Monday, finishing the day up 5%. The move higher came as the S&P 500 gained 0.1% and the Nasdaq Composite rose 0.4%. The tech behemoth inked a major deal to provide OpenAI with $38 billion worth of artificial intelligence (AI) computing capacity.

An Amazon Web Services outage has caused significant issues for a number of high-profile websites Monday morning, including Snapchat, Roblox, Fortnite, online broker Robinhood and the McDonald’s app.

A massive internet outage stemming from errors in Amazon cloud services on Monday morning demonstrated just how many people rely on the corporate behemoth's computational infrastructure everyday — and laid bare the vulnerabilities of an increasingly concentrated system.

Experts say the incident revealed what can happen when a such a broad spectrum of companies rely on singular cloud provider.

Amazon is scheduled to report third-quarter earnings after markets close on Thursday, and all eyes are likely to be on the e-commerce giant’s cloud business.

NEW YORK (AP) — Internet disruptions tied to Amazon’s cloud computing service affected people around the world Monday trying to connect to online services used for work, social media and video games. About three hours after the outage began ...