The photovoltaic company backed by US utility Avista, energy investor Greenlight Energy Resources and Oak Investment Partners has raised $39m.

Online retailer Amazon is among the investors funding the service, which creates videos using photos and music.

The latest extension funding round has taken the money raised by mobile payments company Vivotech to $90m.

The $50m investment by prior investors reportedly gives a $600m valuation to the rapidly expanding website, backed by the corporate venturing division of O'Reilly Media.

Citi Venture Capital International has backed Janalakhsmi Financial Services, which counts the Michael and Susan Dell Foundation among its investors.

The rechargeable battery specialist expands to Singapore after announcing a new round of investment.

SolarBridge raises a $19m series C investment typifies the cleantech company's current expansion.

Siemens continues to invest in alternative power sources, obtaining a minority stake in American solar energy start-up Semprius.

International Data Group invested in Telltale Games alongside Granite Ventures, taking the amount raised by the company to at least $14.4m.

The website, which uses techniques employed in gaming, has now raised at least $12.5m.