The rally in oil prices is reigniting concerns about inflation, and that has led to higher Treasury yields, weighing on the gold price. Brent crude oil has passed $105 and is heading towards $110, and that has altered the market’s response to the Persian Gulf crisis. Typically, geopolitical risk provides a safe-haven bid for gold. But this crisis is first affecting the oil market, which means that inflation and yields are more significant in the short term.