Saudi Aramco asks banks to pitch for world's largest share sale

By Reem Shamseddine and Tom Arnold KHOBAR, Saudi Arabia/DUBAI (Reuters) - Oil and gas company Saudi Aramco has invited banks to pitch for an advisory position on what is expected to be the world's biggest initial public offering, sources familiar with the matter told Reuters on Tuesday. Morgan Stanley and HSBC are among banks that have received the request for proposals, one of the sources told Reuters, with the other adding that the invitation was to evaluate Aramco's business and help it with