From NYSE Euronext:
In consultation with other exchanges and market participants, NYSE Euronext (NYX) will close its markets in coordination with all U.S. equities, bonds, options and derivatives markets on Tuesday, Oct. 30, 2012. This follows the closure of U.S. markets on Monday, Oct. 28, 2012. We Intend to re-open our U.S. markets on Wednesday, Oct. 31, 2012, conditions permitting; updates will be provided.
In consultation with other exchanges and market participants, NYSE Euronext (NYX) will close its markets in coordination with all U.S. equities, bonds, options and derivatives markets on Tuesday, Oct. 30, 2012. This follows the closure of U.S. markets on Monday, Oct. 28, 2012. We Intend to re-open our U.S. markets on Wednesday, Oct. 31, 2012, conditions permitting; updates will be provided.