The S&P credit agency sent shockwaves through the global financial system on Monday when it issued a warning on U.S. debt and changed its outlook on the U.S. sovereign credit rating from “stable” to “negative.” This sent markets lower and the prices of commodities such as oil rocketing back above $110 per barrel and both [...] Don’t Fear a Pullback in Prices originally appeared in the Daily Reckoning . The Daily Reckoning recently featured articles on stagflation , best libertarian books , and QE2 .