Shares in Facebook drop another 9% amid reports financial regulators may review whether there was a selective disclosure of information to investors.

Formula 1's largest shareholder, CVC Capital, sells a 21% stake to three investment firms in a £1bn deal.

As EU leaders meet again in an attempt to rescue Greece from disaster, the BBC's Chief Economics Correspondent Hugh Pym asks why the Greek crisis has created such huge shockwaves across the globe.