Enterprise data management company Rainstor continues expansion and product development with financial banking from venture companies and several multinational corporations including Credit Suisse and Dow Chemical.

The Techsparks India 2011 winner, Capillary Technologies, has closed its Series A round raising $15.m led by Sequoia Capital and Norwest Venture Partners and with investment from Qualcomm's corporate venturing unit.

The new programme is also supported by the Mayor of London [whose office is pictured], the City of London Corporation, and the Technology Strategy Board.

The online content optimiser, Ramp has raised $15m in a C round led by Starvest Partners, bringing the total capital raised by the company to $40m.

Google Ventures has invested an undisclosed amount in maths start-up website Desmos.com, a site which allows user to plot graphs online

Electronic commerce and internet company Rakuten heads the B round of online marketplace site, Daily Grommet.

Signal information crowd-sourcing company OpenSignal has received $1.3m in seed funding from O'Reilly Alpha Tech Ventures, Passion Capital and Qualcomm Ventures for its signal-strength map app

Google acquires Nikon Corporation Japan backed software company Snapseed, an advanced photo editing app and rival to Instagram.

Cyber security company KEYW secures its second deal in under a week with the acquisition of SenSage. A deal worth upwards of $34.5m