Newswire Bloomberg said Oak's $500m initial public offering could come by the summer and was backed by computer group Lenovo's corporate venturing unit Legend Capital and Japanese media group Softbank as well as venture capital firms Technology Crossover Ventures, Accel Partners, and Doll Capital Management.

Divergence had raised about $20m from venture capital firms Cultivian Ventures (formerly known as Midpoint Food and Ag Fund) and Prolog Ventures, which has a focus on corporate venturing.

Calistoga Pharmaceuticals worth up to $600m after less than $100m of backing from a consortium including Amgen Ventures.

Newswire Bloomberg said HomeAway's flotation would be for up to $300m and managed by investment banks Morgan Stanley, Deutsche Bank, JPMorgan Chase and Goldman Sachs.

SolarCity, a US-based provider of solar energy services, has acquired peer GroSolar's residential services division from a consortium including Allco Financial Group, a financial services business in liquidation.

In August, Pandora had been reportedly about to raise $100m from private equity firm Elevation Partners, according to news provider TechCrunch, but instead has picked investment banks Morgan Stanley and JP Morgan to plan its initial public offering, according to its regulatory filing.

Barack Obama will have to decide after Huawei declined to sell on 3Leaf assets as part of a recommendation by the Committee on Foreign Investment in the United States.

Intel's acquisition of Silicon Hive follows its corporate venturing unit's prior investment and as Intel Capital backs six more companies.

Active Network has raised more than $275m, according to news provider Fortune, and has Ticketmaster and Disney as two primary shareholders.

Czech Republic-based security software maker AVG Technologies has shelved plans for its flotation in favour of trying to raise up to $300m in a bond, according to newswire Reuters.