The Stock Market, which includes the Dow Jones, Nasdaq, and NYSE, will close early on Tuesday, 7/3/12. The Stock Market close time will be at 1pm EST with after hours trading ending at 5pm EST.
The stock market will also be closed on July 4th, 2012 and will open back up for regular trading on July 5, 2012.
Check out - Top Stocks 2012 - Top Penny Stocks 2012