Nordstrom Inc., which investors saw as insulated by its affluent customer base, sank after trimming its full-year outlook as the retailer’s Rack business slows amid lower demand and inventory buildup.
The department-store operator lowered its forecast for full-year sales to a range of 5 percent to 7 percent. That one-percentage-point cut comes just three months after Nordstrom had raised its outlook by a percentage point. Nordstrom also…