Yes. Gold is a commodity and investment

There are lots of sources of information regarding gold investments. 'The Street' has detailed advice regarding gold prices and investment as well as helpful links.

Investment in Gold reduces supply of money needed for accelation in economic growth. To that extent that affects growth of GDP.

There Are a Number of Advantages of Having Gold as an Investment. One of It Is Gold Being a Popular Form of Saving. Other Than That, Gold Is Also Indestructible, Can Be Transported Easily and Retains as Well as Appreciates in Value.

Gold is a safehaven investment. So it's price will stay high so long as people are uncertain about other investment types. Gold will decline when money starts leaving gold for stocks.