Wall Street stocks finished mostly lower Monday ahead of key economic data and earnings as US President Donald Trump signaled plans to proceed with tariffs on Canada and Mexico.
This week's calendar includes earnings from artificial intelligence giant Nvidia, key US inflation data and a reading on consumer confidence.
Analysts say these data points could affect investor sentiment, which has been brittle in recent days.
The Dow Jones Industrial Average edged up 0.1 percent to 43,461.21.
But the broad-based S&P 500 shed 0.5 percent to 5,983.25, while the tech-rich Nasdaq Composite Index slid 1.2 percent to 19,286.92.