Stocks are headed for the best week of 2024, with the S&P 500 on track for a 4% gain, while the Nasdaq 100 is up more than 5%.

U.S. stocks drifted lower Monday ahead of a momentous week full of potential flashpoints in Washington, D.C., and around the world. The S&P 500 slipped 0.3%, though it remains near its record set last month.