Stories by Nancy Weil and Marc Ferranti

HP's Dunn, Keyworth to step down

In a day of executive shakeups, Hewlett-Packard (HP) Tuesday announced that Patricia Dunn, the company's embattled chairman, will be relieved of those duties after the board's Jan. 18, 2007, meeting, but will continue as a director. Meanwhile, board member George Keyworth has resigned, effective immediately.

Microsoft buys $US5b AT&T stake

Microsoft will buy a $US5 billion stake in AT&T, as part of a series of agreements that call for AT&T to use more of Microsoft's software in television set-top devices, the companies announced yesterday.