The graph illustrates the average prices of three metals

A glance at the line graph illustrates the monthly value shift of copper,

nickel

, and

zinc

throughout 2014 in percentage.

Overall

, it is apparent that all figures witnessed a downward trajectory in general with differences in pattern. There was a noticeable fluctuation and dramatic drop in the price of

Nickel

and

Zinc

, whilst the figure for Copper was relatively stable and hovered around the same level as its beginning.

To begin

with,

Nickel

and

Zinc

commenced at 6% and 1% respectively.

While

the proportion of

Zinc

experienced an increase to 3% in February, the value of

Nickel

saw a relentless and drastic decline until June and sank to the bottom at -3%. Both

Nickel

and

Zinc

subsequently

rose before levelling off at around -1% and 1% respectively.

Furthermore

, both prices increased and ended with Zick rising slightly to 2%, whilst

Nickel

plateaued at 1%.

On the other hand

, the price of Copper began at 2% and faced a continuous stable decline to -0,5% in June. Later, the figure rose to 1% and hovered around that level up to September and

finally

dropped very slightly before going back to 2% just like the initial price.