The global economy is a perpetual motion machine, but U.S. stock markets do take breaks: In addition to the weekends, there are nine holidays on which the stock exchange is shuttered. Here's the list for 2013, as well as the surprising history of Presidents Day.
A number of major U.S. companies postponed quarterly earnings reports Monday as Hurricane Sandy bore down on the East Coast and financial markets were closed: Among the biggies waiting until the rain stops: Pfizer, Thomson Reuters, NRG Energy, and Martha Stewart Living Omnimedia.
The New York Stock Exchange will close its trading floor Monday as Hurricane Sandy barrels its way up the Northeast, but Big Board trading will continue electronically. NYSE Euronext said Sunday it is putting in place its contingency plans beginning Monday and will announce later when the trading floor will reopen.