Ikamva leenkomo eziphilayo eMelika linyuke kakhulu ngenxa yeqhwa elibandayo.

Ichatshazelwe yingqele ebangelwa yi-"polar vortex", ixabiso leenkomo eziphilayo zexesha elizayo kwiChicago Mercantile Exchange eMelika linyuke kakhulu.

Phakathi kwabo,Ixabiso leenkomo ezityetyisiweyo ngoJanuwari linyuke ngeesenti eziyi-8.800, lifikelela kwiisenti eziyi-329.875 ngepawundi nganye, linyuke phantse nge-3%, lifikelela kwinqanaba eliphezulu kwiinyanga ezintathu ezidlulileyo.

Oku kunyuka kwamaxabiso kwakubangelwa kukuba ubungakanani bomhlambi weenkomo zase-US buye behla buye kwinqanaba eliphantsi ukusukela ngo-1951, zizigidi ezingama-867 kuphela.iinkomoIngqele ebandayo yomeleze ngakumbi ulindelo lokunqongophala kobonelelo.

Nangona kunjalo, imakethi yendawo iqhube ngendlela eyahlukileyo. Amaxabiso enyama yenkomo ethengiswa ngobuninzi yeChoice-grade kunye neSelect-grade boxed awe ngemini enye.