Insider trading prevents information from being available to all parties by definition. That argument essentially essentially means that a certain amount of peo

Insider trading prevents information from being available to all parties by definition. That argument essentially essentially means that a certain amount of people should be allowed be defrauded to find the correct market price. Real estate is an especially bad example too because when selling a house you have to disclose any information about the property that may affect it's future value or risk legal action - but still real estate fraud continues.