Members of my service as well as long time readers know that I do a lot of analysis based on the past. I am constantly looking at long term historical price charts and data. As a trader, I am always looking for an edge.

If you really want to understand how to invest in gold mining companies, you have to understand how mines operate, and how costs are controlled. Julian Murdoch explores mining and more in this primer on everyone's favorite yellow metal.

HardAssetsInvestor.com's managing editor parses the earnings numbers for two major gold mining outfits, including how hedging factors in, what transparency has to do with it, and how the data stacks up on the earnings momentum scorecard.

Spring, it seems, was a long time coming for gold stock investors. Even the good issues took some pounding. Before the vernal equinox, for example, we thought El Dorado Gold (NYSE: EGO)'s low production costs of $258 an ounce would give the company a nice cushion if gold prices took more drubbing...