http://www.vette350.com/2012/06/mitsubishi-hopes-its-disputed-anglo.html

The $5.4 billion record purchase for Mitsubishi was worth it to grab a slice of what will be the world's fifth-biggest copper producer as supply dwindles, Jun Kinukawa, the chief executive officer of Mitsubishi's metals unit, said in an interview.

"This is the kind of return we're looking for on our money, these are the type of projects we want," Kinukawa said in an interview at the company's Tokyo headquarters

"Competition is very tough for copper assets, and it's hard for the traders to secure more exposure to the metal," said Kazuhisa Mori, an analyst with Barclays Plc. in Tokyo. "That's the reason Mitsubishi paid the money."

Copper, the best performing commodity on the London Metal Exchange in the past year, has set Anglo and Rio Tinto Group racing to develop mines and expand existing assets. Mitsubishi paid twice as much as Codelco, the world's biggest producer, had offered for the Sur stake