Aramco: how do you discount for drones?

It isn't often that equity investors are asked to buy assets subjected to physical attack. The drone strikes on Saudi Arabia’s Abqaiq and Khurais oil facilities on Saturday could lead to Aramco demanding a big discount on any upcoming listing. The IPO market has suffered its fair share of geopolitical tumult of late, but this long and keenly anticipated deal could wind up being the riskiest of them all.