Risk x Upside

Ex-richest man in Ireland declares bankruptcy

Before you can look to the upside potential as did this Irish guy, you need to take into account the risk of fatal loss. As said Klarman once:

By holding expensive securities with low prospective returns, people choose to risk actual loss. We prefer the risk of lost opportunity to that of lost capital, and agree wholeheartedly with the sentiment espoused by respected value investor Jean-Marie Eveillard, when he said, "I would rather lose half our shareholders...than lose half our shareholder's money".