www.businessinsider.com/goldmans-alleged-aluminum-scam-2013-7
"If the practice is as the Times describes it, it is very hard to see what value is given to society by the activity. A loose coalition of companies that use aluminium — including Boeing and Coca-Cola — have begun to put pressure on Goldman. However, the issue may go beyond aluminum — JP Morgan, Blackrock and Goldman have all been given approval by the SEC to buy a large amount of copper available on the market and stockpile it"
Read more: http://www.businessinsider.com/goldmans-alleged-aluminum-scam-2013-7#ixzz2ZhnrbYR7