Occidental Petroleum Corp OXY.N climbed 3.7% after Warren Buffett's Berkshire Hathaway Inc BRKa.N raised its stake in the shale producer. Investors are now looking at data to determine whether the economy can withstand large interest rate hikes by the U.S. central bank to stamp out inflation. Nike Inc NKE.N shed 2.8% as it forecast first-quarter revenue below estimates on expectations of more discounts and pandemic-related disruptions in China, its most profitable market.