Copper prices have been hosed over the past month, falling to the lowest level since July last year.
A major investor who built up a massive long position in Chinese copper futures unwound much of their bullish bets last week, likely contributing to the sharp selloff.
Macquarie Bank says this is a "constructive development for copper" markets in China.
If you want to know how the global economy is faring, many people often turn to the copper price for clues.
As a major industrial...