U.S. financial markets will be shut on Monday in observance of Memorial Day, a holiday that honors those who have lost their lives while serving in the military. While U.S. stock markets will see regular trading hours on Friday, but indexes such as the Dow Jones Industrial Average DJIA, -0.30% , the S&P 500 SPX, -0.20% and Nasdaq Composite COMP, -0.02% will all be closed for Monday’s holiday.via