VMWare Inc. (NYSE: VMW) announed this morning that its co-founder and chief executive, Diane Greene, is leaving the company. Ex-Microsoft executive, Paul Maritz, is set to replace her as the head of one of the most popular technology companies in the market. Predictably, the stock moved down $13 - or 25% - on the news.

VMWare also took the opportunity to lower its financial expectations for the year, since the stock was already going to be down on news of the departure. The company said it expects revenues for the full year of 2008 to come in modestly below the previous guidance of 50% growth over 2007; however, the company did not update its guidance with specific numbers for Q2.

VMWare was one of the hottest IPOs ever one Wall Street before the economy turned south last year. The company is a provider of virtualization solutions from the desktop to the data center. The company's suite of virtualization solutions addresses a range of information technology problems that include infrastructure optimization and desktop management.

Many investors are now wondering whether or not the drawdown today went too far. The departure of Ms. Greene was a long time in coming due to a lot of friction between VMWare and its former parent company EMC. Greene had had a lot of leeway within the company because VMWare was somewhat of a golden egg for the company. However, her failure to perform caused friction.

Some investors are bullish on news of new blood within the executive ranks. Meanwhile, the growth prospects for VMWare remain relatively strong despite the slowdown in technology spending on the part of corporations. The technology itself is used to reduce costs and improve performance, which is why the company used the word "modest" in its statement.

In the end, it will be interesting to see just how much VMWare can fall before investors take into account future growth and realize its relatively low valuation - for a tech company - of 68x earnings. Some are even saying that it could become an eventual takeover target for a larger business technology firm looking to move into the high growth virtualization arena.

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