The graph below shows the average monthly change in the prices of three metals during 2014. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The chart depicts the monthly cost alteration for three kinds of metals (

copper

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,

nickel

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, and

zinc

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) throughout 2014.

Overall

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, a noticeable fluctuation was witnessed in the prices of

zinc

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and

nickel

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.

Otherwise

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,

copper

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prices emerged more stable than other metals, which remained unchanged

at the end

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of the period. In terms of

nickel

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and

zinc

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, the former stood at 6%, higher than the latter, which started at 1%.

While

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zinc

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experienced an increase of up to 3% in the subsequent month before it fell steadily,

nickel

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continuously dropped, hitting rock bottom in June (-3%). Afterwards, both metals began to rise before dropping in October, increasing and ending the year by 1% for

nickel

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and 1% higher for

zinc

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.

On the other hand

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, the price changes of

copper

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look rosy, beginning at 2%. Despite the fluctuation,

copper

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prices never reached the minus point, which would be seen in May and June as the lowest state, 0%. By July, the cost of

copper

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rose gradually before levelling off and decreased slightly in October. Closing the market in December,

copper

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had about 1.5% in price, almost the same as the initial cost.