the graph gives information about 3 metals

The graph illustrates the price changes Copper, Nickel, and Zinc had in a month during the year 2014. Overall, in January 2014 Nickel had a 6% rise in price compared with the previous month. However, Nickel's price saw a fall in June 2014 of about -3%. As is shown in the line graph of Nickel, this metal did not have a rise or fall gradually. In addition, from July to September of that year, Nickel did not see any peak or decrease for 3 months. The price change was steadily changing for -1%. Copper had a similar situation that time of year. Despite the fact that its price changed +1% compared with last month. Copper's value was at its highest point in January 2014 with a 2% increase. Therefore, in that time of year the other metal, Zinc had a 1% increase. This metal reached its maximum peak in the next month, February, for a 3% rise. But Zinc's value decreased for the next 4 months and it even experienced a -1% change in contrast to the previous month in June 2014. Like the other 2 metals (Copper and Nickel), Zinc did not have a change in July, August, and September in that year. The change in price was a 0. 5% decrease for those months of the year. Zinc, eventually saw a rise in October.