InvestorMind

Follow CNBC's Bob Pisani on his special report on gold. Here is Bob at the deepest gold mine in the world. After mining, the gold is sent to the refinery. The biggest is the Rand Refinery. Half of all the gold mined ends up as jewelry. Here's a report on the SPDR Gold Trust (GLD). Some old mines that were closed were reopened when gold prices started going up. At certain prices, gold is not profitable to mine. But at current record prices, old expensive mines become profitable again.

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Here's a report done by CNBC's Bob Pisani on the ETF SPDR Gold Trust (GLD).