The US Central Intelligence Agency's strategic investment arm has realized its investment in SignaCert a year after backing the cyber-defence company's second round of funding.

US-listed medical technology company Safeguard Scientifics is preparing for its second flotation of a portfolio company, NuPathe for $86.25m.

US-based IT equipment company Cisco has agreed to buy CoreOptics for just under $100m and slightly more than its venture capital backers invested.

Strategic investors are set to help their Indian mobile services portfolio company One97 float to raise money to buy more telecoms equipment.

New York-listed software company McAfee has agreed to acquire corporate venturing-backed Trust Digital, a US-based provider of smartphone services.