Shares of Nordstrom Inc. (NYSE: JWN) were heading lower today after the department store chain turned in a disappointing first-quarter earnings report with comparable sales coming in lower than expected. As a result, the stock was down 9.2% as of 11:17 a.m. EDT. Image source: Nordstrom.Comparable sales for the period, which include e-commerce, rose just 0.6%, worse than estimates of 1.1%, as results in the off-price division were particularly disappointing, increasing just 0.4%, compared to 2.3% growth a year ago.