China's share of global rare-earth output has been shrinking recently. Even so, it still dominates the complex—and often polluting—steps that turn mined material into useful ingredients, including metals and magnets.
What began as an anti-terrorism experiment has turned into one of the biggest players in the burgeoning 'big-data' industry, and made Palantir one of the most valuable privately held companies in Silicon Valley.
Spotify AB is planning a free, ad-supported version of its streaming-music service on mobile devices, according to people familiar with the matter, after previously making mobile users pay a monthly fee.
Big Lots Inc. disclosed a plan to exit the Canadian market, as the retailer conceded its efforts to turn around a business it acquired in July 2011 were unsuccessful. The company also lowered expectations for overall worldwide results this year.