Pharmaceutical corporation Celgene has paid $350m upfront to acquire biopharma company Avila Therapeutics, with Novartis in line for an exit.

GlaxoSmithKline-backed ChemoCentryx is looking to raise up to $64m when it floats, hot on the heels of fellow biopharmaceutical company Verastem.

The social network continues its acquisition spree as it snaps up anti-malware service Dasient, landing an exit for Google Ventures

Verizon-backed loyalty platform CardStar is now part of email marketing company Constant Contact.

The biotechnology researcher, backed by a GlaxoSmithKline-linked venture capital firm, has set the range for its shares for its initial public offering at between $9 and $11.

With 48 million shares issued, worth an assumed $14.85 each, the market capitalization of AVG would be $712.8m.

Mineral makeup company Colorescience has been acquired by skincare company SkinMedica, backed by GlaxoSmithKline's corporate venturing unit.

The Duchossis-backed computer networking firm is looking to raise up to $125m when it floats.

Video management software company KIT Digital has acquired the assets of broadband TV company Sezmi, which suspended its broadcast service in September.