The <a href="https://en.wikipedia.org/wiki/Dow_Jones_Industrial_Average" id="mw-Q" rel="mw:WikiLink" title="Dow Jones Industrial Average">Dow Jones Industrial Average</a> closes down 733.08 points, or 7.87%, the <a href="https://en.wikipedia.org/wiki/Black_Monday_(1987)" id="mw-g" rel="mw:WikiLink" title="Black Monday (1987)">second worst percentage drop</a> in the Dow's history.