Can unicorn Dropbox avoid a down-round IPO?

GUEST: Dropbox’s likely IPO is set to be one of the largest offerings of the past few years, but the key question is whether the world’s largest cloud-storage company will go public at a valuation above its last primary round.
As successful as the company is, it’s quite possible the company’s IPO – which could raise more than $300 million – could wind up as a down round.
While mutual funds have recently lowered their valuation estimates for Dropbox, SharesPost