Rubicon gains $18m and completes its acquisition of media group News Corporation's Fox Audience Network ad technology platform.

US-based online advertising firm Rubicon Project has raised $18m in its latest round of funding and agreed its second acquisition of the year.

Rubicon has completed its acquisition of media group News Corporation’s Fox Audience Network ad technology platform. News Corp will retain a minority equity stake in the combined entity and also invest in the $18m round for Rubicon.

Rubicon said the other investors in the round were corporate venturing units IDG Ventures Asia and Peacock Equity Fund and…