"We have narrowed down the source of the network connectivity issues that impacted AWS Services," read the latest update from the AWS status page. "The root cause is an underlying internal subsystem responsible for monitoring the health of our network load balancers."

Amazon Web Services (AWS) has had a bad day. That's how the boss of another big US tech firm Cloudflare put it – probably feeling very relieved that today's outage, hitting over 1,000 companies and affecting millions of internet users, had nothing to do with him.

Amazon Web Servies is experiencing global outage issues, according to DownDetector. What's impacted? Flight delays? Are Reddit and Snapchat down? What we know

Amazon Web Services experienced DNS resolution issues on Monday morning, taking down wide swaths of the web—and highlighting a long-standing weakness in the internet's infrastructure.

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.

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.But just what is AWS?

Is Amazon Web Services still down? What is AWS outage incident status? What we know on services affected or websites with issues like Canvas, Reddit and more.

Executives and industry watchers say the sector has fared better than expected, but there are now growing worries around the health of consumers and suppliers, CNBC's Michael Wayland reports. That means the stakes are high for automakers including Ford, General Motors and Tesla who are set to report earnings this week.