A customer makes a purchase using Apple Pay on her iPhone 6 at a Walgreens store in Times Square last Monday. The mobile payment service has now been blocked by CVS and Rite Aid. John Minchillo/AP Images for MasterCard hide caption

itoggle caption John Minchillo/AP Images for MasterCard

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 trader works on the floor of the New York Stock Exchange on Wednesday. Stocks took a beating, with key indexes falling more than 2 percent before bouncing back slightly. Spencer Platt/Getty Images hide caption

itoggle caption Spencer Platt/Getty Images

By this time next year, U.S consumer are likely to be using credit cards with electronic chips, like these in Germany. But such cards are expected to stop only 60 percent of fraud, prompting a retailers' spokesman to call them the "not-so-smart card." Martin Meissner/AP hide caption

itoggle caption Martin Meissner/AP

Kmart says it has removed malware that had infected its checkout registers in stores. The company believes the malware may have been in place for about a month before it was detected. Rachel Murray/Getty Images hide caption

itoggle caption Rachel Murray/Getty Images

During the recession, middle-class and poor Americans gave more of their incomes to charity organizations than did the wealthy, according to a new study. iStockphoto hide caption

itoggle caption iStockphoto

Conrad Goetzinger and Cassandra Rose struggle to pay their bills as $760 is garnished from their paychecks every two weeks by debt collectors. Twice, Goetzinger's bank account has been emptied by collectors after he failed to payoff a loan for a laptop. Eric Francis/AP for ProPublica hide caption

itoggle caption Eric Francis/AP for ProPublica

A soldier guards a pipe en route to the Kawergosk Refinery near Irbil, the capital of the autonomous Kurdish region of northern Iraq, in July. Fighting in northern Iraq forced the closure of the country's largest oil refinery, Baiji, and cut production from the Kirkuk oil field this summer. Safin Hamed/AFP/Getty Images hide caption

itoggle caption Safin Hamed/AFP/Getty Images