Original sentence: When the stock markets reopened on September 17, 2001, after the longest closure since the Great Depression in 1933, the Dow Jones Industrial Average (“DJIA”) stock market index fell 684 points, or 7.1%, to 8920, its biggest-ever one-day point decline
Edited sentence: When the stock markets reopened on September 17, 2001, after the longest closure since the Great Depression in 1933, the Dow Jones Industrial Average (“DJIA”) stock market index fell 684 points, or 7.1%, to 8920, its biggest-ever one-day point decline, which would not be matched until the Financial Crisis of 2007–2009 where onSeptember 19th 2008 the Dow Jones Industrial Average lost 777 points or 7.0%