Not necessarily. Zynga came public at about the same valuation as its last round, so that's not always the case. One of the criticisms of SarBox is that compa

Not necessarily. Zynga came public at about the same valuation as its last round, so that's not always the case. One of the criticisms of SarBox is that companies go public much later in their maturity, so public investors miss out on much of the market cap growth.