Neiman Marcus disclosed its plans with its fiscal second quarter results released Tuesday morning. Sales during the holiday quarter fell 6.1 percent to $1.40 billion. In its second fiscal quarter, the company swung to a loss of $117.1 million compared with a profit of $7.9 million last year. The company also took a $153.8 million impairment charge to write down the value of its Neiman Marcus brand.