The line graph represents the changes of the average monthly prices of three metals during 2014.
Overall, it is clear that Nickel had the highest changes in the prices, while Copper had the least changes in the pricing.
To begin, during the month of January Copper had 2% change in the pricing compared to that of last month. Later, the price dropped between 0 and -1% during May and June. Then, the change in price gained 1% in the month of July to September. Lastly, it decreased to 0.5% and reached 1.5% during December.
Nickel had the highest percentage of change during January that is 6%. Further, it dipped to 1% in March and went down to -3% during June. Later, it gained to -1% from July to September and decreased to 2% during October. Lastly, the price change gained to 1% in the month of November and December.
At the last, Zinc had 1% change in January compared to that of last month. Further, it gained to 3% in the month of February and dipped to -1% during June. Then, it gained 0.5% from July to September and lost that 0.5% during October. Lastly, it gained to 2% in the month of December.