Gold's rally isn't a sign of a commodity supercycle, Goldman Sachs says

Gold's rally isn't a sign of a commodity supercycle, Goldman Sachs says

Gold's constrained supply sets it apart from other commodities.Georg Hochmuth/APA/AFP/Getty ImagesGold's rally doesn't mean a commodity supercycle is here, Goldman Sachs says.Central bank buying, Fed rate cuts, and call options demand are powering gold.Unlike gold, other commodities can ramp up production as prices climb.Gold's powerful rally isn't a sign that a broader commodity boom is taking hold, Goldman Sachs says.The yellow metal has been …