InvestmentsTop Global NewsMarketsReal Estate Saudi Aramco value in bank research varies by more than US$1 trillion: sources By financialnews_rlv83x - November 4, 2019 0 190 Valuations for Saudi Aramco vary by more than US$1 trillion, according to fund managers who have seen banks’ research, underscoring the uncertainty hanging over what could be the world’s largest stock market listing.