Financial Markets, Air Space Closed Wednesday by Arkansas Business staff Posted 9/11/2001 04:21 pm Updated 4 years ago U.S. financial markets will remain closed Wednesday; U.S. air space will remain closed at least until noon Wednesday after an apparent terrorist attack. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 20 days. Purchase Now Already have archive access? Login to view this article.