Rio Director Copper Bullishness Sparked by Cisco Boffin's Remark

  • Output at existing mines to reach a peak by 2017, Clark says
  • Electricity grids in India and China to boost demand

An engineer at Cisco Systems Inc. once told Rio Tinto Group director Megan Clark that electrons travel faster through copper than the air. That observation helps explain why she’s bullish on the red metal.

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