Over the past year speculators have placed some heavy bets against certain publicly traded mortgage companies by shorting their stocks, a “trade” that could be petering out as investors take their money off the table. According to investors and analysts who track companies such as Nationstar Mortgage, Ocwen Financial and Walter Investment Management, the share price of all three has fallen so dramatically that the days of easy profits are over. Ocwen, for example, presently trades...[Includes one data table]