Latest Short Info just updated from Nasdaq. Up 32,000: Settlement Date Short Interest Avg Daily Share Volume Days To Cover 1/31/2014 5,150,347 152,854 33.694552 1/15/2014 5,118,266 192,666 26.565486 12/31/2013 5,330,019 307,473 17.334917 Read more: http://www.nasdaq.com/symbol/dxm/short-interest#ixzz2t3iVrytU