Oil prices smashed back above $100 a barrel for the first time in two months, sending shockwaves through global markets as a fresh escalation in the Middle East conflict threatens to strangle Saudi exports. The benchmark Brent crude surged from $95 on Wednesday to over $100 on Thursday after Yemen’s Houthi militia claimed attacks on two Saudi tankers, the Encelia and Layla, in the Red Sea. The move reignites fears that the world’s two most critical oil...