Even storage of the metal may bring benefits: http://www.nytimes.com/2013/07/21/business/a-shuffle-of-aluminum-but-to-banks-pure-gold.html http://www.nytimes.co

Even storage of the metal may bring benefits: http://www.nytimes.com/2013/07/21/business/a-shuffle-of-aluminum-but-to-banks-pure-gold.html http://www.nytimes.com/2013/07/21/business/a-shuffle-of-alum....