Industrial commodities like copper, zinc, nickel, lead, has been rising over the last few weeks as world GDP is growing handsomely at 4.8/9%. Emerging countries continue to grow over 7% and this is also helping bullish run in these commodities. Speculative hot money is also chasing returns in these commodities and stocks related to them. Crude oil is also on a secular bull run of it's own due to several reasons. As long as world runs on ever increasing greed to acquire more and more wealth and industrial growth, commodity bull run will remain intact.