Copper prices jumped to their highest in 15 months in April, touching $4.3 (€4.01) per pound, before settling at $4.2 per pound on Thursday morning. This was a weekly rise of 1.61% and a monthly increase of 9.05%. This is mainly due to worries about lower supply, as well as steadily increasing demand. Chinese smelters are the key reason why copper supply is quite drastically reduced at the moment, as several smelters cut production. Furthermore, upcoming regulation could potentially see Chinese smelters slashing output by up to 10% in 2024. Tightening availability of key copper ore because of …