Some analysts argue one company’s sale thrashed a major economic indicator. U.S. retail results for July were announced Friday, with flat month-over-month growth that fell short of projections of around 0.4%. That was an especially big surprise after an overall 4.2% acceleration in retail sales through the second quarter of the year. Conventional wisdom has that slowdown signaling a tapering of consumer demand, and broader economic cooling. But what if the real culprit was . . . Amazon’s Prime Day sale? Read more at Fortune.