• Supervalu Inc., the grocery chain that owns Albertsons and Jewel-Osco, climbed 15 percent. The company reported a quarterly loss but outlined turnaround plans that include closing stores and slashing jobs.
• Best Buy fell almost 6 percent after announcing that its chief executive had resigned without a permanent successor. The electronics giant is struggling for market share in a retail world that’s been shaken up by online companies like Amazon.
AP Economics Writer Christopher S. Rugaber contributed to this report from Washington.