As optimism over a quick return to growth in the U.S. has waned, many investors have begun to turn their attention to rising superpowers in the developing world. This trend, combined with ongoing speculation over further easing measures, have sent the U.S. dollar tumbling in recent sessions, as several rival currencies have touched new record highs against the greenback. The slide in the dollar has helped to fuel impressive rallies in nearly every corner of the commodity market, as precious metals and industrial metals, grains, and softs have all soared higher. Most don’t think of industrial metals as an investable asset, but those who have established exposure have been handsomely rewarded this year. One of the widely used industrial metals, copper, has seen its price soar in recent months up to $3.80/lb.–a level within striking distance of pre-crash prices that briefly climbed above the $4 mark. Meanwhile, less well known but [...] Click here to read the original article on ETFdb.com. Related Stories: Physically-Backed Aluminum ETF Ahead Why An Aluminum ETF Is A Terrible Idea Beyond GLD: Three Alternative Precious Metal ETFs