The S&P 500 and the Nasdaq opened lower on Tuesday with concerns around elevated technology valuations resurfacing, while markets monitored progress toward the end of the longest government shutdown in U.S. history.
The Dow Jones Industrial Average rose 15.9 points, or 0.03%, at the open to 47,384.51. The S&P 500 fell 16.8 points, or 0.25%, at the open to 6,815.64, while the Nasdaq Composite dropped 119.5 points, or 0.51%, to 23,407.723 at the opening bell.