The board has recommended Touchstone shareholders accept the $641m all-shares offer from commercialisation peer IP Group before Touchstone ceases trading on Aim on December 11.

Cheetah Mobile and Legend Capital are among the investors exiting music-based social media app Musical.ly in a purchase by Bytedance.

Proofpoint will purchase fellow cybersecurity software provider Cloudmark in a $110m cash deal that will allow Nokia and Sumitomo to exit.

Unilever Ventures had held a majority stake in smoothie brand Froosh since 2008, but has exited through an acquisition by Fazer for an undisclosed sum.

Northeastern University cosmetics-focused artificial intelligence spinout Giaran has been acquired by Shiseido Americas for an undisclosed sum.

Continental has acquired Argus Cyber Security, which had raised about $30m in venture funding, in a deal that reportedly valued the company at $400m.

VMWare has agreed to acquire portfolio company VeloCloud Networks, in a deal that will give exits to Telstra Ventures and Cisco Investments.

Snap has acquired Metamarkets, an analytics technology developer backed by AOL Ventures, for a sub-$100m amount.

Expedia has exited travel services provider Trip.com, which had raised $39m, in an acquisition of undisclosed size by online travel agency Ctrip.