Commodity supercycle is essentially over: Citigroup Group expects 2013 to be year in which “the death bells ring for the commodity supercycle after its duly noted sunset.” Cecilia Jamasmie | May 21, 2013 | 6:35 pm
Beating the diamond rush Increasing interest in diamonds as an asset class should alert the savvy investor to get on board before the idea of diamond investing catches on and prices start to rise. Waldman Diamond Investments | May 21, 2013 | 4:58 pm
Coal ash heaps safe haven for endangered bees: study Some endangered species, including insects that had been presumed extinct, were found thriving in the ash heaps at coal-fired power plants. Cecilia Jamasmie | May 21, 2013 | 3:15 pm
Gold slips under $1,377 in wake of Bernanke, Fed’s minutes Increasing fears that the Fed is planning to halt bond-buying scheme dent gold's appeal. Cecilia Jamasmie | May 21, 2013 | 2:25 pm
Australia coal industry threatened by major strike Five unions representing Australian coal terminal employees are going on a strike at 6:30 a.m. Sydney time Friday. Cecilia Jamasmie | May 21, 2013 | 11:37 am
BMO predicts diamond prices to rise 6% per year Growing consumer demand in China and India combined with scarcer supplies will drive the market. Kerry Hall | May 21, 2013 | 1:26 am
Vale reduces forecast by 30% for coal exports from Mozambique Bad weather, labour disputes and lack of infrastructure have slowed output. Kerry Hall | May 21, 2013 | 12:06 am
Malawi launches exploration for rare earth metals, natural gas The government chose an Australian company to explore the country's southern region. Kerry Hall | May 20, 2013 | 9:39 pm
Gold drops on record bear bets as silver slumps to 32-month low Gold extended its longest slump in four years while silver tumbled to the lowest level since Sept. 2010. Bloomberg News | May 20, 2013 | 9:03 pm