The graph below shows the average monthly change in the prices of three metals during 2014.

The line graph illustrates the proportion of amounts placed on three metals, namely copper,

nickel

and

zinc

every four weeks in 2014.

Overall

, all the depicted metals worth experienced fluctuation throughout the year. It is

also

noticeable that

nickel

and

zinc

had a reverse result from their initial value

in contrast

to the end of the year. In January,

nickel

was the most expensive of all, at a rate of 6%.

However

, it dropped significantly until March when it plateaued at 1% in April, from there,

this

fall and rise pattern stayed and amounted to the lowest price of 1%.

On the contrary

, Starting as the least valued metal in January at 1%,

zinc

value experienced its first peak a month later at 3%. Notwithstanding, it

then

dropped substantially to around -1% in June and levelled off that range until October when it consistently grew and tripled by the end of the season. Regarding copper, copper

also

had erratic growth but maintained its middle rank as it was

initially

. To

further

illustrate, a 2% change in price was made in January, and

this

sank lower till May when it was just above -1%, in the following month it rose high to surpass

nickel

and

zinc

, but in the end, it was still on the second level accounting for a little above 1% change.