Is it time to stock up on shares in the energy giant? Our Motley Fool writers present the bull and bear cases. You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources , and more. Learn More Santos Ltd (ASX: STO) is one of the largest oil and gas companies in Australia, with a market capitalisation of more than $23 billion. It has been operating for over 60 years and recently became much larger...