U.S. stocks kick off the week lower, with losses led by tech-heavy Nasdaq

U.S. stocks opened lower Monday as Treasury yields rose, with all three major equities indexes down after scoring gains last week. The Dow Jones Industrial Average
DJIA,
-0.63%
was down 0.3% soon after the opening bell, while the S&P 500
SPX,
-0.89%
slipped 0.5% and the Nasdaq Composite
COMP,
-1.12%
fell 0.8%, according to FactSet data, at last check. Meanwhile, the yield on the 10-year Treasury note was up around four basis points at 3.86% Monday morning. Federal Reserve Vice Chair Lael Brainard is scheduled to speak on the economic outlook at 11:30 a.m. Eastern time.