Russian Facebook investor adds stake in Zynga - NYTimes.com

SAN FRANCISCO — The Russian firm that invested more than $200 million in Facebook this year is making another bet on the United States Internet industry.

Digital Sky Technologies, or D.S.T., an investment firm with offices in Moscow and London, is leading a group that is buying a $180 million stake in Zynga, a fast-growing San Francisco company whose online games, like FarmVille, Café World and Mafia Wars, are extremely popular on Facebook...