Copper's price dropped this week to the lowest level since July 2010. Merk Investment chief investment officer Axel Merk tells TheStreet's Joe Deaux the recent investor worries of a China slowdown aren't the main reason for the drop, and says copper was due for a big pullback. Merk explains why he thinks China is poised for more growth and why it's wrong to think the Chinese economy is in trouble. Copper prices on Wednesday were bouncing off four-year lows.

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