The S&P 500 index declined for a fourth straight session, representing its longest such stumble in 2018. The broad-market index was weighed by selling in consumer-discretionary and energy and materials sectors, the weakest groups of the index’s 11, even as U.S. crude-oil futures CLJM settled higher for a second session in row. The fourth declining session marks the S&P 500‘s longest string of losses since the four-session slide ended Dec. 6, 2017, according to Factset data. Meanwhile, the Dow Jones Industrial Average [: DJIA] closed out Thursday in the green, up 115 points at 24,873, snapping its three-session skid. The Nasdaq Composite Index COMP, +0.00%meanwhile, finished lower, down 0.2% at 7,481, logging its third fall in succession. The stock market pared firmer gains in midday trade Thursday following a report that Special counsel Robert Mueller subpoenaed the Trump Organization to turn over documents, including some related to Russia, the New York Times reported Thursday, citing two people briefed on the matter.