Continued worries about the U.S. fiscal outlook triggered another selloff in long-dated U.S. government debt as of Wednesday morning, pushing the yield on the 30-year bond back above 5% for the second time this week in what may turn out to be a problematic development for stocks.

Stock fell as investors focused on retailers’ earnings and developments in the tax-and-spending bill in Washington.

Stock futures are pointing to a lower open for major indexes on Wednesday as investors keep close tabs on deliberations in Congress on a sweeping bill that would extend significant tax cuts and boost spending.