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 graph illustrates the monthly

price

changes of three kinds of metals over 12 months in 2014.

Overall

,

nickel

's

price

had a significant fluctuation during the year

while

the

price

of copper and

zinc

remained smaller changes over the year. Before June, all types of metals' prices had seen a downward trend, though the change in the

price

of

zinc

witnessed a significant increase (from 1% to 3%) between January and February. The figure for the

price

changes of three metals all reached the lowest point (

nickel

was at -3%,

zinc

was at -1% and copper was at -0.5% respectively). By the following month, the percentage of metal prices all had seen an increase compared to the previous month -

nickel

went up to -1% ,

zinc

-0.5% and 1% respectively, with stable remaining at

this

figure for 2 months, and all have seen a slight decline the next month.

Although

nickel

had the highest increase in

price

in January which was far higher than the others, the gap between them narrowed over the 12 months.