Stock futures fell Tuesday, with Nasdaq-100 futures /zigman2/quotes/210219788/delayed NQ00 -1.52% dropping 1% as U.S. Treasury yields shot higher across the board. S&P 500 futures /zigman2/quotes/209948968/delayed ES00 -0.95% were off 0.5%, with Dow industrials futures /zigman2/quotes/210407078/delayed YM00 -0.57% modestly lower. The losses came as the yield on the 10-year Treasury climbed 5 basis points to 1.83% and that of the two-year note jumped 9 basis points to 1.04%, both at levels not seen since early 2020, before the pandemic took hold. U.S. markets were closed on Monday for the Martin Luther King Jr. holiday. Investors are mulling prospects for Federal Reserve tightening amid inflationary pressures. Oil prices /zigman2/quotes/209723049/delayed CL00 +0.33% /zigman2/quotes/209704782/delayed UK:BRN00 +0.37% were also surging on Tuesday, after Yemen's Iranian-backed Houthi rebels targeting a key oil facility in Abu Dhabi, killing three people and triggering a fire at the country's international airport on Monday. U.S. crude prices rose over 2% to $85.73 a barrel.