Audit regulators reprimanded Ernst & Young LLP by making public some previously secret past criticisms of the accounting firm's quality controls.

Forest Laboratories said its veteran chief executive and president, Howard Solomon, will retire at the end of the year, ending his five-decade career with the pharmaceutical company.

AT&T has added a new monthly administrative fee of 61 cents to the bills of all of its contract wireless lines as of May 1, a move that could bring in more than a half-billion dollars in annual revenue to the telecom giant.

A helicopter that is widely used to support the global energy industry may return to service in a few weeks after a nearly eight-month grounding because of engine problems, though two of its largest operators disagree on the likely timing.

Ford said high costs and the strength of the Australian dollar against other currencies are forcing it to stop producing cars in Australia in 2016, closing its two plants and ending 90 years of production.

McDonald's CEO Don Thompson, presiding over his first annual shareholders meeting since taking the helm, last summer, defended Ronald McDonald and the company's efforts to market to children.

Solar-panel makers in China are open to raising prices and limiting exports to the EU as a way to avoid steep tariffs on solar-panel exports

GameStop reported lower quarterly earnings on continued sales weakness, though the videogame retailer's cost-cutting efforts boosted profit margins.

China's exports of rare-earth metals rallied in the first four months of this year, a trend that analysts attribute to low rare-earth prices and demand from a buoyant Japanese economy.