The US stock market officially closes at 4:00 pm EST, but there is after hours trading after 4:00pm, usually limited to high net worth investors.
full day The stock market is closed on January 2, 2012
17:30 local
9.30 am
4pm Eastern Standard Time
it closes at 1:00 est
4:00 P.M. Eastern Standard Time.
The Stock Market closes at 4PM EST on 30 December, 2011 and will be open for a full day on 3 January 2012.
The Amex Stock Market, NASDAQ Stock Market, and New York Stock Exchange all close at 4pm ET, Monday through Friday. After Hours trading is from close to 6:30pm ET.
For many market centers, including the New York Stock Exchange, the American Stock Exchange, and the Nasdaq Stock Market, regular trading sessions run from 9:30 a.m. to 4:00 p.m. Eastern Time.
The UK stock market opens at 8:00 and it closes at 16:30. The London Stock Exchange has the fourth largest market capitalization of all stock markets.
The US stock market officially closes at 4:00 pm EST, but there is after hours trading after 4:00pm, usually limited to high net worth investors.
To make it easy for there customers commercial banks and the stock market both close on the same major holidays. The Government makes the choice to close the stock market and the commercial banks have followed in their path to also close on the major holidays.