Copper sell-off: Making it a 'demand issue'

4:20 AM ET Thu, 15 Jan 2015

After copper prices hit a 5-and-a-half-year low on Wednesday, Andrew Keen, head of metals and mining at HSBC says that typically after a big selloff, the market tries to lump commodities together, yet now they are making it a "demand issue," when there's no evidence of that.