Wall Street shares closed lower on Wednesday amid continuing concern at geopolitical tensions over Syria and North Korea.
By the end of the day, the Dow Jones index fell 59.44 points or 0.29% to 20,591.86, while the S&P 500 was down 8.85 points or 0.38% at 2,344.93.
The tech-focused Nasdaq index dropped 30.61 points or 0.52% to 5,836.16.
Financial stocks did particularly badly ahead of results from Wells Fargo, Citigroup and JPMorgan on Thursday.
The S&P 500 financials index slipped 0.9%, with Wells and Citi losing 1.92% and 0.88% respectively. JP Morgan gained 0.33%.
Shares in United Airlines continued to tumble as boss Oscar Munoz said he would not step down over the forcible removal of a passenger from a flight.
The stock ended 1.10% lower after losing 1% yesterday.