Amazon Web Services said its cloud services have returned to normal after a widespread online outage disrupted thousands of websites worldwide on Monday.

The big picture: The biggest internet outage since an error at CrowdStrike caused a global meltdown that grounded flights and halted banking left major platforms including Snapchat, Reddit, Duolingo and Coinbase down. • The "root cause" of the outage was an "underlying internal subsystem responsible for monitoring the health of our network load balancers" that are used to distribute traffic across servers, according to a Monday morning AWS post.

The latest: AWS said in a post Monday evening that all of its services had "returned to normal operations."

Yes, but: Some services, such as AWS Config, Redshift, and Connect, would "continue

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