Copper prices fell on Thursday, as the US dollar rose against most currencies, amid focus on the latest news about the coronavirus pandemic.
Moderna has submitted a request to the US authorities to obtain full approval for its Covid-19 vaccine.
The US Food and Drug Administration will review the clinical test results for the vaccine in order to fully approve it.
The FDA has given full approval for the vaccination of people 16 years of age or older with the Pfizer-BioNTech Covid-19 vaccine after its emergency use license in December 2020.
This comes within efforts to contain the coronavirus pandemic, especially after the new highly transmissible delta strain emerged in some countries, which should help the global economic growth.
The dollar index rose against a basket of major currencies by 0.2% to 92.9 points as of 13:32 GMT, after hitting a high of 93.04 points and a low of 92.8 points.
Copper September futures fell 0.3% to $4.26 per pound as of 13:29 GMT.