Commodity investing has grown dramatically in popularity
New fund tracks Auspice Broad Commodity Total Return Index
Despite Gulf of Mexico spill, there remains an oversupply of crude in the U.S.
BMO Capital Markets strategy advisor favours oil over natural gas
China, India, Brazil have a big impact on commodity prices that drive Canada's economy
Buys Norwegian trading firm Nord Pool ASA
Index may have hit a ceiling for now, analyst says