A California law firm sued Zynga Inc
Zynga's stock plummeted 42 percent to a record low
Zynga's results also cast a pall over Facebook Inc
In its lawsuit, the law firm Kessler Topaz Meltzer & Check LLP accused Zynga of concealing declines in users and the sale of virtual goods, the company's prime revenue source.
In its filing, submitted late on Monday, the San Francisco law firm sought class-action status for its lawsuit. Zynga could not be immediately reached for comment on Tuesday. Its shares fell 3 percent to $2.91 in morning trading.
05 Dec, 2013, 01:03 PM
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