First, buy big resource conglomerates like RioTintoplc (NYSE:RIO) and BHP Billiton Ltd (NYSE:BHP), which are expected to benefit by a rebound in demand for resources.
Among the largest underlying components of CU, in trading today Southern Copper ( NYSE: SCCO) is down about 1.8%, Freeport-McMoRan ( NYSE: FCX) is off about 7.1%, and RioTintoPlc ( NYSE: RIO) is lower by about 5.6%.