Donald Trump’s tweets are keeping global financial markets on edge, and many investors are opting for gold as a refuge. Gold open interest, a tally of outstanding futures contracts, surged the most since mid-2016 on Monday to the highest in more than seven weeks. Prices of the metal have advanced amid escalating tensions in the Middle East and between the US and China. The rebound comes after bullion slid in the past three months, partly under pressure from gains in the dollar and equities.
