The market’s best days frequently occur in the midst of misery, our columnist says, so don’t bother trying to figure out ...

Costco’s sales figures led to differing takes from some analysts about whether the retail giant’s stock is too expensive.

The Nasdaq and New York Stock Exchange closed at 1 p.m. ET and the U.S. bond market closed close at 2 on Thursday, July 3, and they will all remain closed until they open again for normal trading ...