By Matthew Kloster In May 2011, the IPO market came back to life and produced the most U.S. IPOs since 2007. Many companies have been waiting out the past three recession laden years to raise capital in order to make their offerings as profitable as possible. May saw several breakout IPOs that put confidence back in the IPO market and will be a catalyst for seeing more companies have IPO in the remainder of 2011. High-tech companies took over 57% of the capital raised in May IPOs and have started a large high-tech IPO trend with companies such as Fusion-io (FIO) in June and Pandora, Groupon (GRPN), and Zynga all planning IPOs in the near future. The two main culprits in the May IPO boom are the professional-minded social networking site LinkedIn (LNKD) and Russian search engine Yandex (YNDX). LinkedIn’s IPO price was set at $45/share and rose over 109% in the first day of trading while Yandex’s price rose 55% in the first day and raised over $1.3 billion which made it the largest IPO since Google (GOOG) in 2004. These companies both saw a large pop in the initial trading days and it remains to be seen if…


