London copper futures are trading north of $14,700 a ton, Brent crude futures have climbed above $101 a barrel, US diesel crack spreads are back in triple-digit territory, and the Bloomberg Commodity Index is at a 14-year high. The energy shock has broadened into a rally across the commodity complex, from energy to agricultural products to metals and other critical materials, with a growing number of Wall Street research desks identifying tightening physical supplies as a key driver.