SHAREHOLDER ALERT: Law Firm of Levi & Korsinsky, LLP Announces Class Action Against Zillow, Inc. (Z) and SinoHub, Inc … NEW YORK, Dec. 5, 2012 /PRNewswire/ --  Zillow, Inc.Levi & Korsinsky announces that a class action lawsuit has been commenced in the USDC for the Western District of Washington on behalf of investors who ... [News Source]