The graph demonstrates the monthly price changed in three different minerals during the 2014.
Overall, it can be clearly seen that all minerals were drastically changed in their price throughout the months, but nickel was the most drastic metal to alter the amount than others.
In terms of nickel, it was higher in the beginning month with 6% price rate and that amount rate drastically switched by June with minus 3%. From June to September the price of nickel was stable at minus 1% and that price rate increased by 1% in November and remained constant until December.
Following the metal copper, it was at a 2% amount ratio in January and that price rate peaked at 1.5% by the last month with lots of fluctuations during the year. Last but not least, zinc in the commencing month had a 1% price rate and it was raised and changed by July with 3%, however, the price of zinc drastically changed throughout the months and reached 2% in the month of December.
