US television advertising analysis company Ace Metrix gains WPP investment and board member.

Aquinox Pharmaceuticals brings in second corporate venturing unit to bolster its $25m series B round.

Reed Elsevier Ventures leads second of funding for Martini Media Network

GlaxoSmithKline's SR One leads $22m series B round for Constellation Pharmaceuticals

Intel Capital, the corporate venturing division of US-based chip maker Intel, has invested $4m in US-based Caring, a company founded in 2007 to provide information to people taking care of the elderly.

Johnson & Johnson Development Corporation, the in-house venture arm of the US-based consumer and medical goods maker, has linked up again with venture capital firm De Novo Ventures and joined the second round of financing for Astute Medical, a San Diego-based medical diagnostics company focused on high-risk conditions.

US publisher Hearst Interactive Media's strategic investments group has backed an $8m second round of funding for BuzzFeed, an online advertising management services company.

St Jude Medical, a US-based healthcare technology provider, has led a $10m investment round in iRhythm Technologies and will market its heart monitor to customers.