Copper is testing important support/resistance near the $3.20 level:

Click to enlarge

Copper_Daily_7.22.2014

And there is ample reason to believe that this could be an attractive long entry point as we move deeper into the back half of the year:

MS_-_Copper

 With commercial inventory at a 2-year low and declining amid a strong pick up in demand, the 2nd half of 2014 appears to be bright for copper - Source: Morgan Stanley

While speculating in copper futures or even the copper exchange traded fund (JJC) may not be for everyone, shares of Freeport-McMoran (FCX) also offer an excellent way to play any upside in copper:

FCX_Daily_7.22.2014

 Bull flag with excellent potential for a highly significant breakout above the $39 level