The <a href="https://en.wikipedia.org/wiki/New_York_Stock_Exchange" id="mwAVA" rel="mw:WikiLink" title="New York Stock Exchange">New York Stock Exchange</a> reopens for trading after the <a href="https://en.wikipedia.org/wiki/September_11_attacks" id="mwAVE" rel="mw:WikiLink" title="September 11 attacks">September 11 attacks</a>, the longest closure since the <a href="https://en.wikipedia.org/wiki/Great_Depression" id="mwAVI" rel="mw:WikiLink" title="Great Depression">Great Depression</a>.