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Stock Market News, June 18, 2026: Dow, S&P 500 and Nasdaq post weekly gains for second week in a row, stocks climb after U.S. and Iran sign initial peace deal

The Dow, S&P 500, and Nasdaq recorded weekly gains for the second consecutive week. Markets climbed following the signing of an initial peace agreement between the U.S. and Iran. The S&P 500 and Nasdaq reached new highs.

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What changed

The report now confirms these gains marked the second consecutive week of growth for the three major indices.

Live updates

  1. US-Iran Peace Deal Drives Weekly Gains for Major Indices

    The Dow, S&P 500, and Nasdaq recorded weekly gains for the second consecutive week. Markets climbed following the signing of an initial peace agreement between the U.S. and Iran. The S&P 500 and Nasdaq reached new highs.

    What's confirmed:

    • The Dow, S&P 500, and Nasdaq posted weekly gains for the second week in a row.
    • Stocks rose after the U.S. and Iran signed an initial peace deal.
    • The S&P 500 and Nasdaq hit new highs.
    confidence 100%

  2. US Indexes Post Weekly Gains Following US-Iran Peace Deal

    Wall Street recovered most losses from Wednesday on June 18, 2026. The S&P 500 and Nasdaq reached new highs as investors reacted to a US-Iran agreement. These gains followed a session where markets fell due to Federal Reserve rate hike projections.

    What's confirmed:

    • The S&P 500 rose 1.1% on Thursday, June 18, 2026.
    • The Nasdaq rose 1.87% on June 18, 2026.
    • The Dow Jones Industrial Average closed more than 500 points lower on Wednesday.
    • The S&P 500 hit a record close on June 18, 2026.
    • Markets rose on June 18, 2026, following progress in a US-Iran agreement.

    Still unconfirmed:

    • Federal Reserve Chair Powell made a dovish pivot.
    • The Russell 2000 rose 2.14% on June 18, 2026.
    • The Dow closed at 51,558 on June 18, 2026.
    confidence 95%

  3. US Stocks Rally After US and Iran Sign Initial Peace Deal

    The Dow, S&P 500, and Nasdaq posted gains as optimism over a US-Iran peace deal offset concerns regarding potential Federal Reserve rate hikes. The Dow reached a new record high on Tuesday. Chip stocks and AI trades contributed to the upward momentum.

    What's confirmed:

    • The Dow, S&P 500, and Nasdaq rallied following the signing of an initial US-Iran peace deal.
    • The Dow touched a new record high on Tuesday.
    • Chip stocks powered the Nasdaq higher.
    • Market optimism regarding the Iran deal balanced hawkish signals from the Federal Reserve.

    Still unconfirmed:

    • The Dow rose 200 points.
    • Donald Trump stated that a $300 billion reconstruction fund would be considered if Iran complies with the agreement.
    • Gasoline prices fell below $4.
    confidence 90%