“No good deed goes unpunished,” said Art Hogan, chief market strategist at B. Riley FBR. “As we get headwinds from trade worries fading, you get an inverted yield curve and another brick added to the market’s wall of worry.”

The S&P 500 retreated 17 points while the Nasdaq Composite fell just under 50 points as of 10:50 a.m. ET.

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