Google won a significant legal victory as a U.S. judge decided not to combine several lawsuits that accuse the Internet search company of violating the privacy rights of hundreds of millions of email users into a single class action.
Microsoft's shares scaled levels last seen in the dotcom boom following reports that the company plans to unveil an iPad version of its Office software suite, potentially generating billions of dollars in revenue.
Apple Inc said it would offer an iPad 4 tablet in place of the mid-range iPad 2 at the same price and the company launched a cheaper, lower capacity version of its plastic-backed iPhone 5C in Australia, China and some European countries.
Google Inc said on Tuesday that smartwatches based on its Android mobile software will be available later this year, enlisting a variety of partners and signaling the Internet company's intent to play a leading role in what could be the next big computing market.
Twitter, which has been blocked by Chinese censors since 2009, described the trip as a personal tour for Costolo, who is due to land at Shanghai's Pudong International Airport on Monday and plans to spend three days in the business capital. He is not scheduled to visit Beijing.
General Motors Co will take a $300 million charge primarily to cover the costs related to the faulty ignition switches linked to at least 12 deaths as well as three more recalls it announced on Monday.
Vodafone has agreed to buy Spain's largest cable operator Ono for 7.2 billion euros ($10 billion), the latest hefty deal in a European telecoms sector starting to rebuild as the region recovers from a recession.
Los Angeles was hit by a 4.4-magnitude earthquake early Monday morning, less than 24 hours after a 6.7-magnitude quake along Chile's northern Pacific shore triggered the brief evacuation of more than 100,000 residents.
Paris Hilton has inaugurated Paris Beach Club, her first real estate project at Azure Urban Resort Residences in Bicutan under the Manila municipality.
Lady Gaga will make history when she delivers the keynote speech at the annual SXSW Music Festival at the Grand Ballroom of Hilton Austin this Friday. She will not only be the first woman keynote speaker at the event in the last 15 years, but the youngest speaker ever.