An American depositary receipt (ADR, and sometimes spelled depository) is a negotiable security that represents securities of a non-U.S. company that trades in the U.S. financial markets.[1]
Quick Answer. According to NASDAQ, as of May 2014, the highest NASDAQ closing ever was achieved on March 9, 2000, when the market closed at a record 5046.86. USA Today reports that the highest closing achieved by NASDAQ since was a 4007.09 closing on Nov. 26, 2013. Continue Reading.
For example, on September 17th, 2001 we witnessed the greatest one day stock market crash in U.S. history up until that time. It happened on the 29th of Elul on the Jewish calendar, which is the day right before Rosh Hashanah. That record stood for seven years until the massive stock market crash of September 29, 2008.