The closely-followed gold-silver ratio points to $20-plus and fundamentals of dwindling mine supply and growing industrial demand underpin rosy outlook.
Current oil oversupply could reverse within 20 years as low oil prices have forced pricers to slash spending on exploration and production, a report by Wood Mackenzie shows.
The board of trustees said they didn't believe in divesting from the fossil fuel industry until there are competitive and readily available alternatives.