There has been an increase in copper-futures trading from all of the segments of the market, including speculators and commercial accounts that are hedging, Hunnable said.
Whereas in previous decades these traits gave clusters advantages over the big industrial sprawl of competing western economies, these days the processes are too inefficient to be competitive in all but the highest-value segments.
The delicate segments of an orange, the tender flesh of grapes and the crunchy, juicy interior of apples areall held inside edible skins provided so thoughtfully by Mother Nature.