TIMOTHY A. CLARY / AFP via Getty ImagesThe S&P 500 is trading at record highs, but stocks could be poised for a correction.Earnings results have been stronger than expected, fueling a fresh record-setting rally.Strategists warn there could be a post-earnings downturn on the horizon.The S&P 500 is trading at record highs shrugging off risks related to the Iran war as companies deliver solid earnings—but brace for a downturn once earnings season e…