NEW YORK ( Stockpickr) -- Simply taking a snapshot of 2011 doesn't tell you much. The S&P 500 began the year around 1250 and finished the year at 1250, yet it was actually wild year, with an early surge, a deep summer swoon and a fall rally.For companies that chose to come public on such a roller-coaster year, timing is everything. Many 2011 IPOs firmly established themselves and are now trading well above their offering price. Yet many other companies were brought public at a time of high volatility, and they've never found their footing. >>7 Hot Stocks on Traders' Radars All of the stocks in the table below are trading at least 10% below their offering price, and a handful now look like solid bargains. Here's a closer look at several 2011 IPOs that look undervalued. Gevo, Solazyme and KiOR These three companies -- Gevo ( GEVO), Solazyme ( SZYM) and KiOR ( KIOR) -- are looking to accomplish the same goal: convert biomass, plants and other abundant natural materials into energy sources that can be used in placed of crude oil. These are always tricky IPOs because the companies are often several years away from scaling up production and will likely need to keep raising money until they become financially self-sustaining.
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