The solar company backed by energy groups Total and Chevron as well as Japan-based imaging company Konica Minolta has raised more than $170m in its history.

Tropos will help ABB expand its offering for smart grids and other critical infrastructure applications and become part of ABB's global utility communications product group.

Japan-based conglomerate Marubeni Corp buys the agricultural and energy resources compan backed by industrial conglomerate Orascom Construction Industries.

The deal would be valued at more than $800m compared to the about $85m raised by Buddy since its launch in 2007, according to news provider All Things D.

US-based chip company Silicon Labs acquired Ember for $72m.

Dong Yu sold the shares and separately acquired a total of 3.5 million Bona shares for nearly $40m from venture capital firms SIG China Investments, Matrix Partners China and Sequoia Capital.

Investment banks Jefferies and Leerink Swann are co-lead underwriters of OncoMed's initial public offering (IPO).

Investment banks JPMorgan and Goldman Sachs are co-lead underwriters of Kythera's initial public offering.

The expected $220m round for Spotify follows Korea-based conglomerate Samsung's purchase of its corporate venturing unit's portfolio company MSpot for an undisclosed amount.