The Research Institute of Tsinghua University in supported the virtual reality technology startup's series A round, which also included corporates.

Blue Cross Blue Shield of Massachusetts, Heitkamp & Thumann and Guardian Life Insurance have contributed to the respiratory monitor device developer's series A round.

Dunan Group subsidiary CrestValue Capital led the virtual reality technology startup's series A round, which also included SM Entertainment.

Ubike, the third Chinese bike sharing startup to launch in the past year, has secured backing in a series A round led by Jiangsu Huaxicun subsidiary Yicun Capital.

CyberAgent Ventures has taken part in the latest round closed by Silvair, which relies on Bluetooth to produce a smart lighting environment.

Existing shareholder Bloomberg Beta has returned to contribute to a $12m series A round that will allow ValiMail to cope with increasing demand for its authentication technology.

Droit has received money from investors such as DRW, Wells Fargo and Goldman Sachs to expand internationally and will start by opening an office in Singapore.