this is ridiculous!

For those of you that are not computer geeks, NaN is geek for “not a number”. It usually is the result of doing a mathematical operation on a value that is…drum roll please… not a number. So, I’m guessing the Dow dropped so low that it isn’t even registering as a number.

This screenshot came from MSNBC.com. Upon refresh, it appears all markets have fully recovered. Phew!