Trader deal

US prosecutors agreed to shield several former UBS employees from criminal charges in return for their cooperation with a rate-rigging probe, wsj.com said.

McUgly

McDonald’s Corp., the world’s largest restaurant chain, said sales at stores open at least 13 months were unchanged worldwide in July as competitors wooed away some customers and the weak U.S. economy weighed on consumers. Analysts projected an increase of 2.3 percent.

MobileBook

Facebook unveiled a tool that helps developers advertise their wares, adding to services aimed at boosting sales from people who socialize using smartphones and tablets.

HP cuts

Hewlett-Packard hiked its third-quarter forecast after cutting jobs to reduce costs, and announced a restructuring that includes an $8 billion writedown.

Dogfight

AMR faltered in a bid to persuade all its major unions to make concessions in bankruptcy when American Airlines pilots rejected the company’s final contract offer.