Gold, silver and copper climbed to record highs, with spot gold strengthening more than 1.5% to surpass the previous record. Significant price moves in commodities went beyond record-setting metals, with oil climbing amid heightened geopolitical tensions after the US stepped up a blockade on Venezuela. China levied initial duties on some dairy imports from the European Union following an anti-subsidy probe, the latest move in a tit-for-tat trade dispute with the bloc. The Opening Trade has