(CNBC) The Dow Jones Industrial Average gave up a 100-point gain and the S&P 500 backed away from an all-time high on Thursday as investors checked their optimism about renewed U.S.-China trade talks.
The Dow traded around flatline as gains in Microsoft and UnitedHealth balanced losses in Boeing and Walt Disney. The S&P 500 rose 0.1% thanks to gains in health-care and materials stocks, while the Nasdaq Composite also added 0.1% amid strength in Amazon, Facebook and Alphabet.
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The S&P 500 was about 0.5% away from its record high in afternoon trading.