# The S&P 500 leaped 2.5% and is heading toward its best day in 10 months.

*business · news · 2026-03-31 · Barchart*

## Key points

- The Dow Jones surged up to 1,100 points on optimism for ending the Iran war.
- Oil prices dropped sharply after Iran's president signaled willingness to negotiate an end to the war.
- Nvidia invested $2 billion in Marvell Technology and announced a partnership, boosting both stocks.
- McCormick is buying most of Unilever’s food business for $44.8 billion in cash and stock.

**Companies:** Nvidia, Eli Lilly, Marvell Technology, Norwegian Cruise Line Holding, Delta Air Lines, McCormick, Centessa Pharmaceuticals
**Countries:** United States, Iran, Kuwait, South Korea, Japan

[Read the full story on Barchart](https://www.barchart.com/story/news/1053658/the-dow-surges-as-many-as-1-100-points-as-wall-street-recovers-a-chunk-of-its-wartime-losses)

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