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.

Google increasingly appears to be following Amazon's lead in such services as a new e-commerce site, cloud computing and services for online shoppers.

Dish signed commitment letters for about $9 billion in financing for its $25.5 billion bid for Sprint Nextel.

The Federal Trade Commission has begun to examine complaints by rivals of Google Inc. that the Internet giant abused its power in the market for selling online-graphical and video ads.

Microsoft unveiled a reinvented Xbox game console that demonstrated the software giant's most aggressive play yet for control of consumers' living rooms.

PokerStars, the largest online poker company in the world, is playing a difficult hand: Just two years after being shut down in the U.S. it wants to return to the table.

SoftBank is readying a plan to allow the U.S. government an unusual level of influence over the operations of Sprint, a concession to ease security concerns raised by the proposed cross-border takeover.

Some of the biggest U.S. companies, including Google and FedEx, have quietly removed hundreds of offshore subsidiaries from their publicly disclosed financial filings over the past several years.

Chinese personal-computer maker Lenovo Group's fiscal fourth-quarter profit rose 90% from a year earlier, setting it apart from an industry that is struggling with weak demand.

H-P's profit slipped 32% as revenue declined across the tech company's businesses, but better-than-expected guidance helped boost shares 11% after-hours.

The storm brewing over Apple's tax practices has already rained down hard in the U.K., where multinationals have drawn public scorn for the paucity of taxes they pay here.

Several senior executives at HTC have left the company in recent weeks, signaling a broader management shake-up at the struggling smartphone maker and putting a spotlight on CEO Peter Chou.

Discovery Communications is launching a video network, dubbed TestTube, with original series available free, hoping to capture younger viewers harder to reach through traditional TV.

A growing number of Silicon Valley venture-capital firms are creating proprietary software in hopes of gaining an advantage and standing out in the increasingly competitive industry.

Samsung is stepping up investments to beef up its mobile business, this time taking a 10% stake in local handset maker Pantech.

Twitter is adding a login verification feature as a way to cut down on tweets from hacked accounts, in the wake of some high-profile security breaches over the past year.

Sony said its board has started talks about how to address a proposal from activist investor Daniel Loeb to take part of the group's entertainment business public.

Luxury electric-car maker Tesla Motors said it fully repaid a $452 million federal loan and said it would be able to finance development of its next two vehicles without selling new shares.

Startup companies are coming up with new technologies—from pills and bottles with digital sensors to data analytics software—aimed at getting people to take medicine only as directed.

Clearwire said it hasn't had 'substantive' talks with Dish Network since last month, and doesn't expect the satellite-TV operator to top Sprint's sweetened offer for the wireless broadband provider, which Clearwire supports.