S&P 500 is little changed after U.S.-EU trade deal as traders brace for big market week ahead: Live updates CNBCStock market today: Dow, S&P 500, Nasdaq waver as Trump-EU trade deal kicks off huge week Yahoo FinanceWall Street coasts for now ahead of a week packed with potential flashpoints AP NewsS&P 500, Nasdaq off record peaks as Wall St braces for high-stakes week ReutersSamsung's chip business just scored its biggest deal from a single customer ever, courtesy of Elon Musk Fortune