Gold has fallen roughly 45% from the highs it reached less than five years ago. It's been a painful drop that's made some market watchers question the value of gold to investors.

The global potash market is about to get competitive, and Potash Corp.'s shareholders should pay attention.

Both are great choices for investors looking to benefit from the the long-term growth in global demand for crop nutrients, but there are some key differences between the two companies.

Investors in Canadian giants Barrick and Goldcorp have been running for the exits in ever-larger numbers, as each piece of bad news triggers massive sell-offs in the stocks.

Although Potash Corp. is a vital player in the agriculture industry, this has not led to a strong performance in the stock market in 2014, as its shares have uderperformed the TSX Composite Index’s 4.5% gain.

Over the next couple of years you could make triple-digit gains in one of the most beaten-down commodities in the world: uranium.

If you are interested in exposing yourself to gold, look to add these three stocks to your portfolio.

Iron ore prices have sagged recently. The commodity is trading almost 30% lower than at the first of the year, but it doesn't matter that much.

In 2010 at the World Economic Forum, legendary investor George Soros called gold “the ultimate asset bubble.” He failed to mention, however, that his hedge fund had just doubled the size of its position in the yellow metal.

The prolonged drop in uranium prices to around 40 US dollars per pound has contrarian investors salivating.