Zynga ( Z) shares plunged 18.11% to $2.31 after the company lowered its 2012 guidance for the second time in four months. For the full year, Zynga now expects bookings between $1.085 billion and $1.1 billion, down from a previous range of $1.15 billion and $1.225 billion. Adjusted EBITDA is expected to be between $147 million and $162 million, down from a previous forecast of $180 million to $250 million. Zynga also announced preliminary third-quarter sales between $300 million and $305 million. Excluding items, the company expects a result between breakeven and a loss of 1 cent a share. Zynga said it take a write-down between $85 million and $95 million associated with its purchase of OMGPOP earlier this year. Analysts polled by Thomson Reuters were looking for the San Francisco-based game developer to report break-even earnings on $275.9 million in revenue for the third quarter.
Shares of Sourcefire ( FIRE) rose 2.87% to $48.74 as investors appear to be focusing on news earlier in the week that the company's third-quarter results will be better-than-expected. On Tuesday the company announced the retirement of CEO John Burris. Burris had previously been on medical leave. Martin Roesch, Sourcefire's CTO, will continue to act as interim CEO until a replacement is found. Interested in more on Sourcefire? See TheStreet Ratings' report card for this stock. -- Written by Chris Ciaccia in New York >Contact by Email. Follow @Commodity_Bull