Even after two years of gains, industrial metals trade well below 10-year mean prices. Silver looks cheap, but gold, crude may be fully priced already.
U.S. representatives on the International Joint Commission say Canadian commissioners have not been willing to submit a report that addresses selenium pollution in transboundary waters.
Uncertainty around the charter has deterred investment into a sector that accounts for 8 percent of gross domestic product in the world's top platinum producer.