US President Donald Trump announced on Tuesday plans to impose a 50% tariff on copper imports as part of a series of sectoral tariffs to be implemented soon. Meanwhile, he added that pharmaceutical companies might be given at least a year before implementing levies on their foreign-manufactured drugs.Related NewsInflation Rate MoM for Jun in United States is 0.3%, higher than the previous value of 0.1%. The forecast was 0.3%.Following the announcement, New York copper futures prices once soared 17%, marking the largest incline in the intraday trading session since at least 1988. It still surged 11% to last at US$5.58.