The New Commodity SupercycleGold, silver, and miners are finally dipping after an insane run. The chart below compares the S&P Commodity Index (oil and gas, metals, agricultural products) to the S&P 500. Sources: Katusa, BloombergBut as you can see in the chart, commodities always take their turn eventually. And my favorite oil stock, Brazil’s Petrobras (PBR, PBR.A) is now up 30% since we first covered it. But as we have discussed previously, if we do see a big stock market crash, central banks will react predictably.