# The S&P 500 slipped around 0.2%, while the tech-heavy Nasdaq Composite fell about 0.3%.

*business · news · 2026-04-20 · CNBC TV18*

## Key points

- The Nasdaq's 13-day winning streak ended amid renewed Middle East tensions.
- Iran signaled threat to close Strait of Hormuz during the ceasefire, escalating geopolitical risks.
- The US seized an Iranian-flagged cargo ship and warned of escalation if Tehran resists US terms.
- West Texas Intermediate crude surged nearly 6.9% on supply concerns linked to Hormuz threats.
- Bank of America cautioned that markets may be underpricing war-related de-escalation risks.

**Companies:** Tesla, Intel
**Countries:** United States, Iran, Oman

[Read the full story on CNBC TV18](https://www.cnbctv18.com/market/closing-bell-nasdaqs-13-day-winning-streak-ends-sp-500-and-dow-slip-as-iran-tensions-resurface-ws-l-19890055.htm)

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