Naspers and Rand Merchant Investment both exited digital asset marketplace and wallet Luno, which has been bought by fellow investor Digital Currency Group.

Wabco and Michelin North America are set to exit video telematics system developer SmartDrive, which has agreed to be purchased after raising at least $265m.

KAR Auction Services has agreed to pay $425m to buy the online used vehicle marketplace, which had raised about $50m from investors including Renren.

Progress intends to buy software development technology producer Chef for $220m in cash, following $105m in funding from backers including HPE and Citi.

The agreed merger between corporate-backed digital advertisers Outbrain and Taboola has failed nearly a year after plans for a $850m deal were announced.

Telefónica-owned ElevenPaths has bought cybersecurity training service iHackLabs, which received funding from Telefónica's Wayra unit in 2018.

Grifols agreed the deal five years after supplying $50m in equity and development financing for the neurodegenerative disease therapy developer.

Digital marketing platform developer Optimizely has agreed to be bought after raising $200m from investors including Citi, Salesforce, Accenture and Alphabet.

Dialpad has bought the video conferencing technology developer, which had raised more than $77m from investors including GV and Dimension Data.

American Express Ventures and Citi Ventures have exited flight insurance software developer Freebird in an acquisition by Capital One.