The provided line graph illustrates the average monthly percentage changes in the prices of three metals – copper, nickel, and zinc – throughout the year 2014.
Overall, all three metals experienced a downward trend in their monthly price changes during the half of the year, reaching their lowest point in June, before recovering towards the end of 2014. Notably, nickel saw the most dramatic changes, whereas copper remained the most stable.
In January, nickel was at its peak, while copper and zinc started at 1,2% respectively. However, nickel’s price fell down sharply over the next five months, dropping to 0% in May and reaching -3% in June. Similarly, copper’s monthly change declined steadily to 0.5% in March and April, before dipping to -0,5% in June. In contrast, zinc was the only metal to see initial rise, peaking at 3% in February after which it fell continuously to -1% in June.
During the second half of the year, copper quickly rebounded to 1% in July, remained steady until September, and ended the year at 1.5% in December after a slight dip to 0.5% in October and November. Meanwhile, both nickel and zinc stayed at low from July to October, reaching -2% and -1% respectively in October. Finally, both recovered in November and finished December with monthly increases of 1% for nickel and 2% for zinc.