S&P 500 index declined on Wednesday, pushed down by earnings reports and investor sentiment after gathering news about weaker Chinese and European PMI data. American index lost 0.33% or 4.55 points and closed at 1,357.66. Dell fell 6% after reporting an 18% drop in profit for the quarter ended in January. Land-drilling contractor Narbors reported 4th-quarter revenue and earnings that outperformed analysts' forecasts, bolstering its share price by 7%. Intuit rallied 6% after upgrading its full-year revenue estimates.