<p>April 20 (Reuters) - Wall Street’s main indexes opened muted on Monday after a record rally last week, as escalating U.S.-Iran tensions threatened the fragile ceasefire and dented investor sentiment.</p>
<p>The Dow Jones Industrial Average  (.DJI)  fell 25.1 points, or 0.05%, at the open to 49,422.37. The S&amp;P 500  (.SPX)  fell 9.0 points, or 0.13%, at the open to 7,117.05​, while the Nasdaq Composite  (.IXIC)  dropped 51.0 points, or 0.21%, to 24,417.528 at the opening bell.</p>

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- Wall Street’s main indexes opened lower on April 20, following a significant rally the previous week.  
- The Dow Jones Industrial Average fell by 25.1 points, the S&P 500 declined by 9.0 points, and the Nasdaq Composite decreased by 51.0 points at the open.  
- Rising U.S.-Iran tensions are contributing to the downturn and negatively impacting investor sentiment.

Reuters

Dow Jones Industrial Average

NASDAQ Composite Index

Proshares UltraPro Short QQQ ETF

SPDR Djia

SPDR S&P 500

VG S&P 500

iShares Core S&P 500

Invesco QQQ Trust

Proshares UltraPro QQQ

S&P 500

US STOCKS SNAPSHOT-Wall St opens muted as US-Iran tensions escalate