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.
The single best day. It was exactly two weeks later that Wall Street logged its biggest single-day point gain in history. The trading session on Oct. 13, 2008 added 936 points to the Dow, and injected a record $1.2 trillion back into the market value of U.S. businesses.