AFP - Internet search leader Google took a giant leap into the mobile phone market on Tuesday, unveiling a handset developed with telecom carrier T-Mobile to compete with Apple's hot-selling iPhone.

Reuters - T-Mobile USA will sell the first phone powered by Google Inc's Android operating system for $179, slightly cheaper than its rival, Apple Inc's popular iPhone, the wireless service said on Tuesday.

AP - The first cell phone running Google Inc.'s mobile software looks something like Apple Inc.'s iPhone and has a large touch screen, but it also packs a trackball, a slide-out keyboard and easy access to Google's e-mail and mapping programs.

Reuters - Microsoft Corp , Hewlett-Packard Co and Nike Inc said on Monday they plan to buy back up to $53 billion of their own shares at a time when most U.S. companies are slowing the rate of share repurchases to hoard cash over liquidity concerns.

Reuters - Computer security company McAfee Inc plans to buy Secure Computing Corp for $465 million, adding specialized equipment that keeps hackers from breaking into computer networks.

AP - Software giant Microsoft Corp. said Monday its board approved a plan to buy back up to another $40 billion of its shares.

Reuters - McAfee Inc , the world's No. 2 security software maker, said on Monday it plans to buy Internet security company Secure Computing Corp for $465 million in cash.

AFP - US computer software giant Microsoft announced Monday that it would buy back another 40 billion dollars of its shares.

Reuters - Microsoft Corp plans to buy back up to $40 billion of its own stock, lift its dividend and issue commercial paper for the first time in the company's history, the software maker said on Monday.