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 line chart compares the price changes of three metals in different months during 2014,including Copper,Nickel and Zinc.

According to

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the chart,it can readily seen that these metals’ prices decreased after

January

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and reached their bottoms in June,after that,they grew with fluctuations until December.What’s more,the changing rate of Nickel's price fluctuated from -3% to 6%,which has apparently more changes compared to the other two metals. Nickel is the most eye-catching one

due to

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the massive instability of its cost.It had the highest change proportion of 6% in

January

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and the lowest of -3% in June,which were the maximum and minimum data

according to

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the chart.In general,it plunged from

January

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and stabilised relatively at about 1% in two months(March-May) and had a dramatic drop,falling to -3% at its nadir.After that, it increased and remained unchanged at -1% from July to September.

Then

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it continuously rose up from October to December after a month of short decrease. The other metal seemed to be less variable in terms of amount change.The general trend direction was quite similar,and they reached the approximate amounts in November and December.

Nevertheless

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,there is a noticeable difference in

January

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that the rate of Zinc’s expense changing was pretty low at 1%

while

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Nickle and Copper’s proportions were high,accounting for 6% and 2% respectively.