Finance
Trading Day: Growth Fears Snowball
Published by Global Banking & Finance Review®
Posted on March 30, 2026
5 min readLast updated: March 30, 2026
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Markets plunged as the Iran war extended into its fifth week, triggering seven‑month lows for the S&P 500 and Nasdaq, while bond yields fell and oil topped $100, raising growth fears amid Big Tech’s debt‑fuelled AI spending spree.
Market Growth Fears Intensify Amid Iran War and Rising Oil Prices
Market Overview and Key Developments
By Jamie McGeever
ORLANDO, Florida, March 30 (Reuters) - The S&P 500 and Nasdaq hit seven-month lows and bond yields fell on Monday as the Iran war entered its fifth week, with investors increasingly spooked by growth fears over inflation concerns even though oil prices rose further above $100 a barrel.
In my column today I look at why the spike in market-based borrowing costs since the Iran war broke out could not have come at a worse time for "Big Tech", which is increasingly turning to debt to finance its unprecedented AI investment binge.
If you have more time to read, here are a few articles I recommend to help you make sense of what happened in markets today.
Recommended Reading
- Trump again warns Iran to open Strait of Hormuz
- Powell says Fed can "wait and see" how war affects inflation
- Fed's faith in anchored inflation expectations may becoming under stress
- Iran war volatility strains trading in world's biggest markets
- Japan steps up yen intervention threats, signals rate-hike chance
Today's Key Market Moves
- STOCKS: Asia slumps - Japan -3% - but Europe rises, with STOXX 600 +1% and Britain's FTSE 100 +1.6%. Wall Street mostly lower - Nasdaq and S&P 500 lowest since August.
- SECTORS/SHARES: Only three of 11 sectors in the S&P 500 fall, but their weight carries - tech -1.5%, industrials -1.6%, energy -0.9%. Sysco -15%, Micron Technology -10%.
- FX: Dollar rises to highest since May last year. Euro slides on growth fears, yen rebounds on intervention warnings.
- BONDS: U.S. yields down 7-9 bps. 2s/10s curve steepens for a second day to 53 bps, the steepest in two weeks.
- COMMODITIES/METALS: Brent +1% and WTI +4%, gold +0.5%, LME aluminum jumps 4%.
Today's Talking Points
No Quarter Given
The first quarter draws to a close on Tuesday, and it has been a wild ride. Brent crude oil is up 85%, its biggest rise since 1990; the U.S. "Magnificent 7" megacaps are down 17%, meaning they've lost almost 20% from the October high and are now close to a bear market; gold is still up despite March being its second-worst month in over 40 years.
In some ways, markets have been remarkably calm in light of the damage done to the global energy complex. 17% of Qatar's gas capacity is offline; 20% of global oil and gas flows are choked off by the closure of the Strait of Hormuz; several Middle East countries, including Saudi Arabia, have shut energy production fields or refineries. Maybe markets have been too calm.
A "Good Place"?
Where is monetary policy, the economy, labor market or bilateral trade relations if not in a "good place"? It seems to be officials' favorite phrase, with European Central Bank President Christine Lagarde virtually turning it into a policy communications signal last year.
On Monday, Fed Chair Jerome Powell said U.S. policy is in a "good place", and officials can "wait and see" how the energy and supply shocks affect both sides of the bank's dual mandate. Powell was one of the first officials to coin the phrase in January last year, a time when some might argue the economy actually was in a "good place".
The Art of the Deal
Despite rising borrowing costs, heightened uncertainty and increased market volatility sparked by the Iran war, the flow of multi-billion-dollar deals and M&A activity has not stopped. On Monday, Sysco said it would buy catering supplier Jetro Restaurant Depot in a $29 billion deal.
Unilever is in talks to sell its foods business to McCormick & Company in a deal that would be worth over $30 billion, and earlier this month a consortium led by BlackRock's Global Infrastructure Partners and Sweden's EQT AB bought U.S. power company AES Corp for $33.4 billion. Deals are still being done.
What Could Move Markets Tomorrow?
Upcoming Economic Events
- Developments in the Middle East
- Energy market moves
- Reserve Bank of Australia publishes minutes of March meeting
- Japan retail sales (February)
- Japan unemployment (February)
- Japan industrial production (February)
- Japan Tokyo CPI inflation (March)
- China "official" PMIs (March)
- India trade, current account (Q4)
- Germany retail sales (February)
- Germany unemployment (March)
- Euro zone inflation (March, flash estimate)
- European Central Bank board member Patrick Montagner speaks
- UK GDP (Q4)
- U.S. house prices (January)
- U.S. consumer confidence (March)
- U.S. Chicago PMI (March)
- U.S. "JOLTS" job openings (February)
- U.S. Federal Reserve officials scheduled to speak include Chicago Fed President Austan Goolsbee, Kansas City Fed President Jeffrey Schmid, Governor Michael Barr, Vice Chair for Supervision Michelle Bowman
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Disclaimer
Opinions expressed are those of the author. They do not reflect the views of Reuters News, which, under the Trust Principles, is committed to integrity, independence, and freedom from bias.
(Reporting by Jamie McGeever; Editing by Nia Williams)
Key Takeaways
- •S&P 500 and Nasdaq hit seven‑month lows as energy‑shock growth concerns escalate, despite bond yields retreating and oil rising above $100/barrel (Reuters, AP)
- •Big Tech faces heightened refinancing pressure: borrowing to fund AI infrastructure surges into the hundreds of billions, amplifying vulnerability amid rising rates (Reuters, Investing‑Economic Times)
- •Sysco’s $29 billion acquisition of Jetro Restaurant Depot signals strategic M&A activity persists despite volatility—but raises debt leverage and paused buybacks (AP, Reuters)
Frequently Asked Questions about Trading Day: Growth fears snowball
1Why are growth fears affecting markets now?
Growth fears are increasing as the Iran war disrupts global energy supplies, leading to rising oil prices and higher market-based borrowing costs.
2How has the Iran war impacted stock prices?
The ongoing Iran war has contributed to the S&P 500 and Nasdaq reaching seven-month lows due to heightened uncertainty and market volatility.
3What is the Federal Reserve's response to current market volatility?
Fed Chair Jerome Powell stated that U.S. policy is in a 'good place' and that officials can 'wait and see' how the energy crisis and supply shocks play out.
4Which sectors and companies have been most affected?
Tech, industrials, and energy sectors in the S&P 500 saw notable declines, with Sysco and Micron Technology experiencing significant drops.
5Are major deals and mergers still happening despite the crisis?
Yes, significant deals such as Sysco's acquisition of Jetro and the BlackRock-led consortium's purchase of AES Corp have continued despite volatility.
