The decision was made despite a plea from the head of Interior’s Bureau of Reclamation, who said that a 1968 law gives the Interior Secretary power to require the Central Arizona Project to buy energy from the Navajo Generating Station.
Benchmark spot gold prices have moved since last Friday's close, with the spread between its highs and lows the narrowest of any week since August 2007.
China's copper imports rose to their highest in 17 months in May as the country's crackdown on scrap leaves it buying more of the metal in other forms.
