Stock futures moved lower Thursday after major indexes posted steep declines yesterday amid mounting concerns about the federal deficit as a budget bill works its way through Congress.

Stock index futures were muted on Friday, while yields were flat, as focus remained on the country's fiscal situation ahead of the long weekend.

The S&P 500 closed near the flatline on Thursday, while the Dow Jones Industrial Average and Nasdaq Composite finished the session marginally lower.

U.S. stock futures swung into the red from slightly positive territory ahead of Friday's market open, as Apple shares fell in premarket trading after a tariff threat from President Trump. S&P 500 ...