Samsung and Verizon will exit social video app developer Rounds in a deal reportedly sized at between $60m and $80m.

HD Biosciences, a contract drug research services provider backed by Pfizer and Eli Lilly, has been acquired by WuXi AppTec for an undisclosed sum.

Alphabet is set to exit programmatic advertising software provider Adelphic, which has agreed to an acquisition of undisclosed size by Time subsidiary Viant.

Versarien has purchased an 85% stake in Cambridge Graphene for $210,000 in stock and cash.

China Oceanwide and IDG Capital have agreed to acquire IT media firm International Data Group, with IDG Capital to take on its corporate venturing interests.

Microsoft has acquired speech recognition specialist Maluuba for an undisclosed amount, providing investor Samsung Ventures with an exit.

The Swisscom-backed data centre software provider, valued at over $1bn in 2015, has been bought by HPE for $650m in cash.

Arxan Technologies has bought mobile application management platform Apperian, which had raised $40m from backers including Intel Capital, for an undisclosed sum.

Realty portals PropTiger and Housing.com have merged, securing $55m from shareholders News Corp and SoftBank in the process.

Trello, a cloud collaboration spinout of Fog Creek Software, has been acquired by Atlassian for $360m in cash and $65m in shares and options.