Mindfulness app developer Calm has added $27m to its series B round, after receiving an initial $88m tranche from investors including CAA five months ago.

Aviation Industry Corporation of China and GF Securities took part in the anti-theft and fraud software developer's latest round, which was in the eight figures.

The gas fermentation technology developer raised $30m from BP's corporate venturing unit, adding to earlier funding from the likes of Mitsui and Cargill.

Regional subsidiary Banregio will use BackStartup’s technology to automate its customers' back office tasks following its parent company's $800,000 investment.

Vaxess Technologies has received the final tranche of its $8.2m series A round led by MIT-affiliated incubator and venture capital fund The Engine.

Tencent and Paytm are considering a $100m investment in MX Player, a video streaming service majority owned by Times Internet.

Jera-backed solar and wind power developer ReNew Power has secured three $100m commitments by existing investors Goldman Sachs, ADIA and Canada Pension Plan Investment Board.

Korean game studio Nexon has increased its stake in the cooperative action game developer to more than 66%, having invested $41m in the startup late last year.

The voice-controlled augmented reality device developer has captured $80m in a Teradyne-led series B round, which included Bose Ventures, Qualcomm Ventures and Kopin.

National Grid Partners and Sistema Asia Fund took part in the round, which increased the conversational software provider's valuation to about $130m.