Stock futures tumble as traders monitor latest with U.S.-Iran conflict

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https://www.cnbc.com/2026/03/02/stock-market-today-live-updates.html

S&P 500 futures moved lower Tuesday morning as traders watched rising geopolitical tensions amid the conflict between the U.S. and Iran.

S&P 500 futures slipped 1.8%, while Nasdaq 100 futures were down 2.3%. Futures tied to the Dow Jones Industrial Average lost 821 points, or roughly 1.7%.

The S&P 500 and Nasdaq Composite closed the previous session in the green, marking a sharp reversal from their lows earlier in the session. The broad-market index closed just above the flatline, while the tech-heavy Nasdaq gained nearly 0.4%. The 30-stock Dow lost 73 points, or 0.15% — far off of its lows of the day when the index dropped nearly 600 points.

Investors bought the dip in stocks, which were initially lower to start the new trading week on fears that the widening conflict between U.S. and Iranian forces would weigh on markets. Several defense and energy companies rallied on Monday. Northrop Grumman and Palantir were among the S&P 500′s best performers, up 6% and 5.8%, respectively. A roughly 3% jump in Nvidia helped lift the broader market.
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Global crude oil prices continued to surge on Tuesday on worries that the U.S.-Iran conflict could disrupt oil infrastructure and push up fuel prices, adding inflationary risks. An Iranian Revolutionary Guard commander said the Strait of Hormuz — the world’s most vital transit route for crude oil — is closed and that Iran would set ablaze ships attempting the route, Reuters reported, citing Iranian media.
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1. However, dipbuyers may rush in again

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2. Dipbuyers haven't show up yet

https://www.cnbc.com/2026/03/02/stock-market-today-live-updates.html

Updated Tue, Mar 3 202610:06 AM EST

Dow drops 1,100 points as oil surges, bond yields climb in response to deepening Iran conflict

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3. Dipbuyers showed up, but markets still down

https://www.cnbc.com/2026/03/02/stock-market-today-live-updates.html

U.S. equities fell on Tuesday as the U.S.-Iran war weighed on investors, though sentiment improved later in the day after President Donald Trump said the Navy will escort tankers through Strait of Hormuz, if necessary.

The Dow Jones Industrial Average lost 423 points, or 0.9%. The S&P 500 slipped 1%, while the Nasdaq Composite shed 1.1%. At their lows of the day, the S&P 500 lost 2.5%, and the Nasdaq was down about 2.7%. The 30-stock Dow was down more than 1,200 points, or around 2.6%, at its nadir.
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