Zambia’s kwacha has gone from the world’s third-worst performance in 2015 to the best this year, outshining gold, silver and 150 other currencies and precious metals tracked by Bloomberg. Further gains are in store as copper prices recover, according to ETM Analytics. The currency of Africa’s second-biggest copper producer has advanced 19.9% against the dollar … Continue reading Kwacha best-performing currency, gaining almost 20% on the dollar this year