The price of gold has fluctuated, sometimes dramatically, over the last several decades. Here's how — and why.

Gold bars worth over $100,000 were found, along with hundreds of thousands of dollars in cash, some stuffed into envelopes hidden in clothes in the closet. Prosecutors say the couple also had ...

Gold bars are shown stacked in a vault at the United States Mint on July 22, 2014 in West Point, NY, US. File Image/AP Gold ...

where it produces 99.99% pure gold and then turns it into cast bars, minted bars, and coins. The refinery gets its gold from two sources. Primary: gold from mines that is 90% pure. Secondary ...

Celebrity jewelry designer Kyle Chan sat down with ET to share how to stack pieces in a festive way for the holidays while celebrating his Kyle Chan x Gold Bar Whiskey collaboration. Chan ...

In light of this, it's worth taking a look at how experts think gold prices stack up historically and where prices are going. Find out how to add gold to your investment portfolio today.