The digital marketing measurement firm has raised $20m in its series B round, gaining financing from investors including media communication company WPP.

Siemens-backed medical device company Sphere Medical is set for an initial public offering, from which it expects to raise $24m.

The translation-based video streaming site has raised $20m of series B funding from investors including the Korea-based SK Telecom and the BBC.

Ethernet radio company Siklu has closed its series B round, with support from investors including corporate Qualcomm Ventures.

Cancer diagnostics company Foundation Medicine has extended its series A round to $33.5m from an intial $25m raised in March 2010 with Google and KPCB joining Third Rock as backers.

The Qualcomm-backed traffic navigation app has raised a further $30m and is now looking to expand its social-based service to China

Virgin Green, Potomac Energy Fund, Orix Venture Finance and The Pohlad Companies back the US-based water cooler company.

Pearson helps takes the total raised by the US-based education technology company to $54m across four rounds.

The strategic agreement has been extended from three years to four, with biomedical company Celgene providing additional equity to cancer metabolic researcher Agios.