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The digital currency outperformed nearly every other investment asset.
Central banks' purchases of the precious metal worry some onlookers.
Thousands of tons may be stashed away in places like businesses and vaults.
But most remain on the sidelines, sitting out the turmoil in the markets
Demand for gold is up 21 percent over the same time last year.
Millions of dollars worth of valuable metals end up being flushed down the drain, some coming from our own bodies.
Overstock.com has a food supply for employees in the event of apocalypse.
The idea plays well with some Republican politicians, but not with most economists.
Gold is in the tank. Why? Because people simply aren't afraid anymore.
Greece's financial situation has helped drive up demand.
