Yes , even though it is a Federal Holiday, the US Stock Market is open on Columbus Day October 8, 2012.
No, It is not open Christimas eve Dec. 24 2010. It is being observed as Christmas day.
Weekdays
The united states markets open at 9 am then close at 4 pm
of course,yes
Israel
Typically around 10 or 11 am ET
Yes. Its a regular trading day on December 26.
Yes, the US stock market is open on Columbus Day. Columbus Day is a holiday only for banks and banking institutions. All stock markets and their related companies are/were open on Columbus Day.
9.30am EST is the standard time for the equity markets to open in the US
The major European stock markets open at 9am Central European Time (3am in New York).
The Stock Market is a computerized market. It has no closing time, because money and people's jobs do not stop. It's used from the internet; never stops. Many people use stockbrokers to keep an eye on their money, since they have alerts.
The US stock markets are open for trading Mon-Fri from 9:30am Eastern to 4:00pm Eastern.