The U.S. stock markets don't often close, but there's a holiday coming up and a Day of Mourning for President Jimmy Carter ...

Here's what to know about whether U.S. stock markets will be open on the national day of mourning on Thursday, Jan. 9.

The New York Stock Exchange markets will be closed for Christmas Day, but they will be open for a shortened trading day on Christmas Eve. The markets will close at 1 p.m. Eastern time on Tuesday ...