Bon-Ton Stores - The department-store retailer gained, erasing losses that came after it reported a wider-than-expected second-quarter loss.
Children's Place - The provider of children's apparel gained after reporting better-than-expected second-quarter results.
eBay - The online auctioneer rose after the news site The Information cited sources in reporting the company might spin off its PayPal payments unit as soon as next year.
Family Dollar Stores - The retailer fell after rejecting an offer from Dollar General and reaffirmed its support for a buyout by Dollar Tree.
58.com - The Chinese version of Craigslist declined after projecting third-quarter revenue below estimates.
InterMune - The biotechnology company fell after Wells Fargo downgraded the stock to market perform from outperform.
Kindred Biosciences - The biotechnology company dropped after its joint-pain drug for dogs failed a pivotal study.
McDonald's - The fast-food chain gained as Russian authorities inspected outlets across the country for sanitary violations.
Popeyes Louisiana Kitchen - The quick-service-restaurant chain dropped after it reported lower-than-expected second-quarter sales.
Semtech - The chipmaker advanced after reporting better-than-expected second-quarter results.
Tekmira Pharmaceuticals - The drug developer jumped after Bloomberg News reported one of its experimental drugs protected monkeys from a virus similar to Ebola.
(See CNBC's Market Insider Blog)
—By CNBC's Rich Fisherman.
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