U.S. stock benchmarks finished virtually unchanged on Thursday but the S&P 500 managed a tepid record close, as as hopes that the U.S. and China would soon finalize a trade agreement began to fade. The S&P 500 index /zigman2/quotes/210599714/realtime SPX +1.45% closed up less than 0.1% at 3,096. Meanwhile, the Dow Jones Industrial Average /zigman2/quotes/210598065/realtime DJIA +0.95% finished little-changed at 27,781 and the Nasdaq Composite Index /zigman2/quotes/210598365/realtime COMP +2.17% finished slightly lower at 8,479. Technology stocks fell as Cisco Systems Inc. /zigman2/quotes/209509471/composite CSCO +1.30% slumped after earnings fell short of expectations, suggesting business are avoiding investment amid President Trump's trade clash with China. Shares of Cisco ended the day down 7.3% lower on Thursday, leading losers among Dow components.