If you’d invested in: KAZ Minerals and Gem Diamonds

KAZ Minerals is one of the world’s largest copper producers. It operates primarily in Kazakhstan but exports much of its copper and all of its metal production to Europe.

If only...

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UK-listed KAZ Minerals (LSE: KAZ) is one of the world's largest copper producers.It operates primarily in Kazakhstan but exports much of its copper and all of its metal production to Europe.

There has been a slowdown in the mining sector, but KAZ Minerals does not seem to be suffering. The firm was among the lowest-cost copper producers globally in 2016.

Be glad you didn't...

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Be glad you didn't

Gem Diamonds (LSE: GEMD) is a global diamond producer that explores for and produces diamonds in parts of Africa, Indonesia and Australia. Shares have tumbled in the past year as a result of the scarcity of large high-value diamonds. It has also been hurt by weakening prices for lower-quality stones produced at its newly built Ghaghoo mine in Botswana, which the group subsequently plans to close. In June this year 27% of shareholders voted against the re-election of chief executive officer Clifford Elphick.

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Alice grew up in Stockholm and studied at the University of the Arts London, where she gained a first-class BA in Journalism. She has written for several publications in Stockholm and London, and joined MoneyWeek in 2017.