AT&T takes $10 billion pension charge against earnings.
Amazon launches music store for Apple devices.
Ameriprise Financial taps Tommy Lee Jones for encore.
Aston-Martin seeks development partner to build high-end engines.
Chrysler nears deal to restart in-house financing.[more]
FOX sees American Idol ratings plunge.
FTC takes pharma brands to task.
Guinness expands Made of More campaign.
Herbalife raises outlook amid scrutiny.
Intel gets hurt by shift away from PCs.
Mercedes-Benz works to improve customer experience.
Morgan Stanley swings to profit.
Renault sales dip in Europe.
Samsung starts hyping S IV, its next smartphone.
Toyota settles bellwether wrongful-death suit.