Who's On Deck

The value of tech companies waiting to go public has quadrupled - from $1.1 billion in January 2006 to $4.7 billion in January 2007, according to Dealogic. These 6 companies could cash in.

Postini
Postini
NICHE: E-mail security

CEO: Quentin Gallivan

WHY IT'S HOT: Cashed in on the rise of spam. Has more than 36,000 customers around the world and has been profitable since 2004.

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Market indexes are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer Morningstar: © 2014 Morningstar, Inc. All Rights Reserved. Disclaimer The Dow Jones IndexesSM are proprietary to and distributed by Dow Jones & Company, Inc. and have been licensed for use. All content of the Dow Jones IndexesSM © 2014 is proprietary to Dow Jones & Company, Inc. Chicago Mercantile Association. The market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. FactSet Research Systems Inc. 2014. All rights reserved. Most stock quote data provided by BATS.