The attack on Saudi oil supplies threatens what could be the world's biggest IPO. Here's what we know about Saudi Aramco.
· *Saudi Aramco, the state-backed Arabian energy company is scheduled to publicly list later this year, and is estimated to raise as much as $100 billion from its IPO. *
· *But the strikes on Arabian oil fields could out the mammoth listing in jeopardy.*
· *"The attacks came at a sensitive time for Aramco. The company could...