Alibaba, Tencent and Yahoo are all set to exit the $25bn 'camera company' in what could be the biggest initial public offering for a tech company in more than two years.

The transaction has provided an exit to Watchup investors that include Microsoft, Tribune Media and McClatchy Company.

Axel Springer has taken part in the latest round for digital reportage and long-form media platform Ozy Media, after investing $20m in 2014.

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

UTA is an investor in the Latin-focused digital media content producer, which has raised nearly $5m as it prepares to launch a mobile platform later this year.

The sports media platform has expanded its series C round, which already included Tengelmann, as well as media companies Tegna, Sky and NBC Universal.

The virtual reality headset provider will provide the cash to content developers through a scheme called VR for Impact.

Dentsu Ventures and returning backer Intel Capital have taken part in a series B round that will fund development of the company's first micro-amusement park.