Lenovo Group Ltd. agreed to buy Google Inc.’s Motorola Mobility phone unit for $2.91 billion, as the world’s largest personal-computer maker continues a buying spree of U.S. technology businesses. Lenovo fell 8 percent.
Amazon.com Inc ., the world’s largest online retailer, said first-quarter profit may be lower than analysts predicted as it steps up spending on warehouses for products and data centers to support its Web Services unit.
Apple Inc. ’s piggybank, stuffed with $51 billion in cash and investments, is earning a lower return than a typical U.S. savings account. Some investors say Steve Jobs should put that money to better use.
Facebook Inc. has lost about $34 billion in market value since its May initial public offering, as the operator of the world’s largest social-networking service fails to assuage concerns about how it can make more money from almost a billion users.