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In fact, shortly after the U.S. Federal Reserve announced its decision to launch a third round of bond buying, copper rallied to $3.84 a pound on the Comex division of the New York Mercantile Exchange, up from around $3.35 in mid-August.
But that is only part of the story...
As "the only metal with a Ph.D. in economics' because of its widespread use in industrial applications copper is an excellent bellwether for the state of global economic activity.
And right now copper is predicting a major global rebound.
"Investors' expectations for global economic growth in the fourth quarter are rising and Dr. Copper is rallying," Andrew Rosenberger, senior portfolio manager at Brinker Capital told MarketWatch.
"Copper and other assets which are linked to global growth are taking the approach of rally now, ask questions later," he said.
For investors, there are lots of reasons to like copper right now.
Let's take a look...