All US financial markets are closed today in celebration of Labor Day

USA (Sept 2)  Labor Day in the United States of America is a public holiday celebrated on the first Monday in September. It honors the American labor movement and the power of collective action by laborers,[1] who are essential for the workings of society. It is the Monday of the long weekend known as Labor Day Weekend. It is recognized as a federal holiday.

All US markets will reopen at normal hours on Tuesday, Sept 3.

Wikipedia