Since the implosion back in 2000, the tech sector has come across like a has-been when it comes to IPOs, but that has changed as of late. Most people are predicting IPO volume increases in the 50 percent to 100 percent range. Many of these companies are of the small-cap variety, a far cry from Google--that has stoked some concerns. But overall optimism is surging. Network security firm Sourcefire went public earlier this month; its shares rose 10 percent during its first trading session. BigBand Networks saw its stock soar 31 percent on its first day. The more successes there are, the more likely that huge backlog will be worked through to fruition.

For more:
- here's an article from Investment Dealers' Digest (For FierceFinance readers)