Candice Nelson fits her daughter Arya Kubesh with a Halloween hat at a store at Galleria Mall in Edina, Minn. Retailers are hoping Halloween will give them a good bounce into the peak spending time of the year. Elizabeth Flores/MCT/Landov hide caption

itoggle caption Elizabeth Flores/MCT/Landov

A puppy waits at an adoption event in Miami last year. The city is now considering a ban on the sale of puppies in retail pet stores. Cities and towns in several states have passed similar bans, aimed at cracking down on substandard, large-scale puppy breeders. Wilfredo Lee/AP hide caption

itoggle caption Wilfredo Lee/AP

Customers walk out of Street Boutique, parked in Shirlington Village, Va. Street Boutique is a pop-up truck that's similar to the many food trucks in the area, except it sells clothes and jewelry. James Clark/NPR hide caption

itoggle caption James Clark/NPR

The Chicago skyline is reflected in the exterior of Neiman Marcus on Michigan Avenue in Chicago in a file photo from 2009. The luxury retailer sold for six billion dollars on Monday. M. Spencer Green/AP hide caption

itoggle caption M. Spencer Green/AP

A Nordstrom salesperson shows a customer an online selection of shoes on an in-store iPad. Like some other retailers, Nordstrom is using mobile devices to make on-the-spot sales and check companywide product inventory instantly. Courtesy of Nordstrom hide caption

itoggle caption Courtesy of Nordstrom