Trader Joe's, Basics Market, Concordia's closure and other top stories of the month

Portland Business Journal readers were hungry in February. Hungry for grocery news, that is. A pair of stories about new markets in the Portland area were among the most-read stories on the PBJ website in the past month. But Oregon's biggest public company still ran ahead of the pack as the No. 1 most read story in February, about a top-level shuffle of Nike's leadership. A look at CEO John Donahoe's first month on the job also drew readers. A Basics Market's plans for a longtime Burgerville…