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.

A glance at the graph provided highlights the figure for three different materials’ average value changes recorded monthly in 2014.

Overall

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, there was a dramatic drop in the nickel’s

price

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, turning it from the top to the bottom in the first half of the year. Noticeably, in the second half of the year, all three metals have shared a similar pattern of

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price changing

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price-changing

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proportion, shortening the

price

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gap between each other by the end of the given time period. To probe more deeply, the

price

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change of nickel was the highest in January, which was 6

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percentage

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per cent

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higher than December’s;

however

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, it had dropped 5

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percentage

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per cent

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just during two months. Despite there

was

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being

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a

slightly

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slight

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level between March and May, it

then

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significantly dropped sharply, reaching minus 3

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percentage

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per cent

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by June.

In contrast

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, copper

also

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witnessed a more stable

price

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decrease during the first six months, the

price

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never fell over 1

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percentage

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per cent

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.

Furthermore

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, what should be particularly mentioned is that the

price

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tendency of zinc was the most stable one among all,

however

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, it had a gradual

price

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change

at

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in

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February.