The valuation is double that at which the Alphabet, Comcast and Axel Springer-backed, neighbourhood-focused social network last raised money.

On-demand logistics provider Pickupp hiked its overall funding to $15m while SK Chemicals added to the $67m already raised by drug discovery technology producer Standigm.

GV helped geometric search technology developer Physna raise $56m while multiple corporates took part in a round nearly doubling study app developer Mathpresso's total funding to $105m.

Ipreo and Barclays-backed financial communication technology developer OpenExchange raised $23m while Blue Cross Blue Shield, Optum and Marshfield Clinic are set to exit Contessa Health.

Healthcare planning software developer Hospital IQ secured $25m in a Baxter-led round while augmented reality platform developer Ubiquity6 and infant product retailer Mumzworld have been acquired.

The Cisco and Deutsche Telekom-backed interactive video advertising software provider will acquire an NYSE spot after the deal, valuing it at a $1.3bn pro-forma equity valuation.

Juniper Networks, Wargaming and CME Group have exited secure communications app developer Wickr in an acquisition by AWS while Country Garden reinvested in tea producer Chali.

SoftBank, Hearst and NBCUniversal-backed digital media company will get a Nasdaq listing through the deal, valuing it just below its last funding round five years ago.

The Tencent-backed social media app developer was aiming to raise $198m in the offering but has withdrawn in favour of alternative financing options.

Maersk Growth and Raed Ventures co-led a $42m round for shipping platform developer Trella while GV exited deep learning software provider Determined AI.