Copyright © 2013 Knight Sac Media. All rights reserved.http://www.siliconinvestor.com/subject.aspx?subjectid=32168 While it has become increasingly difficult to get allocations of IPOs in the premarket, I have noticed a clear pattern of "similar" companies enjoying a nice rise when an IPO takes off on the opening. For example, if you bought Corel a day or two before the VA Linux IPO you enjoyed a nice 15-20 ri...http://www.siliconinvestor.com/images/Logo380x132.pnghttp://www.siliconinvestor.com/subject.aspx?subjectid=3216838013210