Base metals had a strong finish in 2017, a year when the copper and zinc prices increased by over 30%, the highest in over 3 years for copper and in 10 years for zinc. Nickel also outperformed, rising by 28%. The performance in 2017 was underpinned by supply disruptions for copper, lack of production growth for zinc, and declining global inventories, within the context of a positive outlook for Chinese, and global growth.

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