Via arizonasonoranewsservice.com Copper’s value is on the rise, and equipped with new mining technology, Arizona has a promising future in producing the nation’s copper. The value of copper hit $3.20 in mid 2014, before taking a dive to $2.50 in early 2015. It took a significant dip into an all time low of $1.60 in 2016. Now, copper value is rising again, passing $3 for the first time since 2014, according to the NASDAQ stock exchange. Arizona produces 65 percent of the nation’s copper, leading the copper industry in the U.S. As mining continues to become economically feasible, new mine sites have been proposed across the state.