Here are the latest news items and commentary on current economics news, market trends, stocks, investing opportunities, and the precious metals markets. In this column, JWR also covers hedges, derivatives, and various obscura. This column emphasizes JWR’s “tangibles heavy” investing strategy and contrarian perspective. Today, we look at the prices of gold, silver, and platinum. (See the Precious Metals section.) Precious Metals: Gold and silver prices have been surprisingly strong. Typically in the summer months each year, the precious metal prices have slack sails, drifting around in the doldrums. But because we are seeing prices this strong in early August, I …