SEATTLE, 2017-Jan-19 — /EPR Retail News/ — CarMax, Inc. (NYSE: KMX), the nation's largest retailer of used cars, today (January 16, 2017) announced that it is hiring to fill more than 120 positions at the company’s two new stores opening in Puyallup and Lynnwood, Wash. in March 2017. These CarMax stores will be the first in…