Shares of Sears Holdings Corp (NASDAQ:SHLD) are tumbling this morning as a result of weak forecast for the fourth quarter. The department store operator expects fourth quarter losses to come in between $250-$360 million. In addition, the company also revealed that same store sales through January 6th, which includes the past holiday season were down 9.2 percent. The stock is currently experiencing a nosedive of 13 percent.