http://www.isnare.com/?s=author&a=Luigi+M Finances Luigi M Mon, 11 Sep 2006 00:00:00 -0700 http://www.isnare.com/?aid=74360&ca=Finances Preface: In the stock market, you do not have to own something to sell it. You are allowed to carry negative positions on your books. This is called being "short" that position. Long, Short To be long X means you have a positive quantity of X on your books. To be short X means you have a negative qu...