The Nasdaq Composite shed 844 points, falling to 25,085, its steepest single-session drop since last week’s brutal selloff. The S&P 500 lost 146 points to close at 7,259, while the Dow Jones Industrial Average slid 490 points to 50,295. The NYSE Composite dropped 79 points to 23,145. Early session gains evaporated quickly as selling pressure resumed across artificial intelligence (AI), semiconductor, and mega-cap tech names.

Specific decliners included Nvidia, Broadcom, Microsoft, Amazon, AMD, Oracle, and Apple. Apple faced added pressure from reports that new Siri AI features are encountering regulatory hurdles in the European Union over antitrust concerns.

Tuesday’s losses follow a sharp selloff last Friday when the Nasdaq posted its worst single-day decline since April 2025, plunging approximately 4.2%. The S&P 500 logged its worst session since October that same day. Monday brought a partial recovery, with the Nasdaq gaining around 0.86% and the S&P 500 adding roughly 0.3% on chip stock stabilization. Tuesday’s reversal erased that bounce and then some.

• Fed policy reset: May’s jobs report showed 172,000 positions added, well above consensus, with unemployment at 4.3%. That data has materially reduced expectations for near-term Federal Reserve rate cuts. U.S. 10-year Treasury yields climbed to 4.54%, near one-year highs, adding pressure to growth stocks with elevated valuations.
• AI profit-taking: After a powerful multi-month rally in chips, data-center infrastructure, and AI software, skepticism is mounting that parts of the move outpaced fundamentals. Investors are questioning margin sustainability and whether current valuations fully price in policy and geopolitical risks.
• Valuation concerns: Bank of America strategists, including Michael Hartnett, have flagged multiple bearish signals across sentiment, valuation, and macro metrics, advising clients to consider taking profits on broad U.S. equity positions ahead of potential summer correction scenarios. Deutsche Bank separately noted that the speed of the April to May S&P 500 rally, roughly 16% in two months, is historically rare outside of recession recoveries.

Markets briefly stabilized earlier Tuesday after President Donald Trump posted on Truth Social that both Israel and Iran were pursuing an immediate ceasefire, with “final negotiations on peace proceeding.” Oil prices responded sharply, with WTI falling more than 3% and Brent crude dropping under $92 per barrel on de-escalation hopes.

That optimism evaporated within the hour. At 12:38 p.m. ET, Trump posted a second Truth Social update revealing a dramatic escalation: Iran had shot down a U.S. Apache helicopter patrolling the Strait of Hormuz overnight, with two pilots aboard, both reported safe. “The United States must, of necessity, respond to this attack,” Trump wrote. Markets absorbed the news immediately.

The Nasdaq extended its decline to 844 points, the S&P 500 shed 146 points, and the Dow slid nearly 490 points. Bitcoin, which had been trading near $63,000, dropped sharply toward $60,718 on Bitstamp, continuing a months-long slide from its all-time high of $126,272 set in October 2025. The Strait of Hormuz incident reignited fears over oil supply disruption and U.S. military engagement in the Middle East, erasing any relief the earlier ceasefire talk had provided.

Wednesday’s Consumer Price Index (CPI) report will be closely watched for signals on how the Middle East energy shock is feeding into already-sticky inflation. New Federal Reserve Chair Kevin Warsh faces his first policy meeting next week against a backdrop of strong jobs growth, rising job vacancies, and wage pressure. Any further military developments involving the Strait of Hormuz could accelerate oil supply fears and put additional pressure on both equities and crypto markets.

In its latest weekly commentary, Blackrock Investment Institute argued that traditional portfolio construction assumptions no longer hold in the current environment.

“Macro anchors investors have relied upon, like stable inflation expectations, are lost, meaning structural calls need more frequent updating,” Blackrock wrote. The firm noted that the information technology sector’s share of both the MSCI U.S. equity index and investment-grade bond issuance has more than doubled since the launch of ChatGPT in 2022, highlighting how deeply the AI mega-force has reshaped capital markets. Blackrock’s core message: Treat all asset allocation decisions as active calls, build portfolios around exposures and convictions, and stop relying on traditional asset class labels as a guide.

Tuesday’s market action made the argument for them.

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