http://www.bloomberg.com/gadfly/articles/2016-02-16/freeport-s-mine-sale-to-sumitomo-calls-a-bottom-in-copper-m-a

Very nice article, especially the graph at the end, shows that companies buying copper projects are buying at a price similar to 2013, emerging from 2014 and 2015 prices... better days ahead?

The price should nonetheless stiffen the spines of potential sellers at a time when many analysts are urging the better-capitalized miners to pick up assets at rock-bottom prices. In the M&A market at least, copper may have found a bottom.