Technology

A graffiti artist is set to make $200m from the Facebook IPO after he opted for shares instead of a cash payment for his work in the head office seven years ago.

Facebook's long-anticipated initial public offering will see it look to raise $5bn in a listing expected to value the company at up to $100bn.

Amazon shares are expected to slide 9% when Wall Street opens, as the online retailer's sales failed to meet analyst expectations over Christmas.

Social networking giant Facebook is set to begin the process of becoming a publicly listed company this week, with reported valuations of between $75bn (£48bn) and $100bn dwarfing Google's $1.9bn IPO in 2004.

After a rare earnings miss in Q3, normal service was resumed for Apple yesterday as the US tech giant's Q4 2011 profits easily beat analyst expectations.

Yahoo! shares look set to rise when Wall Street opens today following the resignation of co-founder Jerry Yang.

NINE WORST ASSET BUBBLES

John Eisinger, manager of the top- performing £507m Janus US All Cap Growth fund, has upped his weighting to mid-cap technology companies but is avoiding some of the sector's giants.

Tech star Ben Rogoff has blamed the "formidable headwind" of small caps for a 5% fall in NAV for the Polar Capital Technology trust over the six months to 31 October 2011.

HEALTHCARE