Relative volatility of KYAK was 3x the normal amount during the day. The news was released after hours. Long live insider trading!
The problem isn't more or less information, it's that insider trading creates two classes of people: Those select few "in the know" who can reap massive profits by getting an illegal phone call, and the suckers.
Insider trading is just another way for the privileged and wealthy to get richer and small investors and pensions to get robbed.
Having an elite crowd with an unfair advantage is going to make it hard to get future IPOs or companies issuing more stock to generate much interest in their offerings.
That is not what I did, therefore it was not an ad hominem.
Please learn the definitions of phrases before you use them in conversation.