Icahn supporters buy Yahoo shares

UK ad giant mulls tax move abroad
Advertising firm WPP will consider moving its London headquarters abroad if certain tax changes go ahead.

Yahoo shares boosted on bid hopes
Shares in Yahoo jump 3% on expectation Microsoft is preparing to launch a hostile bid for the internet company.

Motorola sued over documents
Major shareholder Carl Icahn is suing Motorola to force it to release details about its struggling handset unit.

US carmakers in new bail-out plea
US carmakers General Motors, Ford and Chrysler will present their new cost-cutting plans to Congress.

EU wants banks to boost lending
The EU competition commissioner says she expects banks that receive state aid to promise to lend to the real economy.