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S&P 500 Jumps Nearly 10% as Wall Street Shrugs Off Iran War Risk
More than a month after the Middle East conflict erupted, U.S. equities have staged a sharp recovery as investors increasingly look past geopolitical headlines. Since March 27, the S&P 500 is up nearly 10%, while the Nasdaq 100 has climbed about 12%, notching 10 straight sessions of gains—its longest winning streak since 2021.
In Monday trading, the S&P 500 also wiped out all losses logged since the Iran war began. Rich Privorotky, who runs Goldman Sachs' Delta One trading desk, said markets appear to be acting as if they've "won" their war with Iran, even though the conflict has not definitively ended. He noted the lack of visible escalation: the Houthis have not intensified actions in the Red Sea, drone attacks have not increased, and the ceasefire has not been broken. While he cautioned it may be too early to declare victory, equities are clearly pricing in stabilization.
Goldman strategist Chris Hussey pointed to the speed of the rebound as evidence of how quickly positioning and expectations can reset. With more than a month having passed since the outbreak of war in Iran, he said it is striking that the S&P 500 is up 1.6% year to date—something that seemed implausible just a week ago. He reiterated that stocks are forward-looking instruments and markets tend not to wait for the fallout from issues investors believe will ultimately be resolved.
BCA Research's Chief U.S. Investment Strategist Doug Peta added that broader financial markets appear to be paying limited attention to developments around the Strait of Hormuz.
AI leaders and semiconductors power the rally
Mega-cap AI names continued to lead. The "Magnificent Seven" rose 3% and are up about 15% over the past 10 sessions, with gains in 9 of those days. Semiconductors have been a major engine of the move: Bloomberg data show sector earnings expectations jumped roughly 10% over three trading days, lifting the S&P 500's overall EPS outlook. Goldman estimates NVIDIA and Micron will account for more than half of the S&P 500's EPS growth this quarter.
Cross-asset moves signal easing stress
The rebound has extended beyond equities. U.S. Treasury yields fell alongside oil, declining roughly 3 to 4 basis points across the curve. Bitcoin broke above $76,000, reaching its highest level since the conflict began. Gold traded above $4,800, its strongest level since March 18. The dollar continued to weaken, nearly erasing gains posted since the war started.
Liquidity has also normalized. Goldman data show top-of-book liquidity for S&P 500 constituents increased to $13.16 million from about $3.5 million at the peak of geopolitical uncertainty, a 141% rise versus the 20-day average. ETF trading as a share of total volume has dropped from around 50% at the peak to 29%.
Positioning squeeze adds fuel
A familiar dynamic has re-emerged: one-way flows pushing prices higher and pressuring short sellers to cover. A veteran trader described the move as a chase for exposure after widespread under-positioning: CTAs, clients, and other investors had been running light risk and are now following the market higher.
Goldman's trading desk data show CTAs have been aggressive buyers, while long-only funds recorded slight net selling and hedge funds cut exposure by about 3%, primarily in information technology, industrials, and communication services—absorbing part of the CTA demand. Short covering has accelerated as well. Goldman's short basket saw three sharp bursts higher, unprofitable tech names rallied, and heavily shorted stocks faced short squeezes.
Goldman attributed the ongoing strength in the Magnificent Seven to four factors: easing geopolitical conditions driving the unwind of index hedges (the group represents about 33% of S&P 500 weight), a cooling of fund reallocation trades that dominated Q1, positioning ahead of expectations for a strong earnings season, and continued corporate buybacks.
Earnings season shifts focus back to fundamentals
This week, JPMorgan Chase, Citigroup, Wells Fargo, and BlackRock reported first-quarter results. Hussey said banks often serve as a read-through on the broader U.S. economy, and the latest reports suggest households and businesses remain in solid shape despite worries tied to inflation, AI disruption, private credit, and consumer spending.
Inflation data also helped sentiment. March PPI rose 0.5% month over month, below expectations. RBC Capital Markets rate strategist Blake Gwinn said markets increasingly interpret PPI through the lens of PCE and often treat weak prints as backward-looking, assuming inflation pressure may still be in the pipeline.
Stocks look ahead as oil markets stay wary
A notable split has opened between equities and crude. WTI fell below $91, and Polymarket data show a rapidly rising probability that WTI drops under $90 by month-end. The immediate catalysts cited include reports that Iran is weighing a partial suspension of oil exports to advance negotiations, and that the U.S. and Iran are discussing a second round of peace talks.
Oil market structure remains less sanguine. The forward curve, referenced by December Brent futures, suggests traders expect supply disruptions to take longer to resolve—at odds with the equity market's "mission accomplished" tone.
Risks remain after the rebound
Some strategists are warning against complacency. RBC's Lori Calvasina said war-related uncertainty and second-order effects still leave the risk of a "growth panic selloff" elevated. She wrote that if the narrative around the war or its impacts shifts, equities could still fall from current valuations and potentially drop more than during the prior leg down.
Nationwide's Mark Hackett questioned whether the S&P 500 can break to a new all-time high without tangible progress in negotiations, though he argued that when that day comes, conservative positioning, solid fundamentals, and reset expectations could create powerful upside momentum.
Bond investors remain cautious on disinflation. Citi's global rates strategist Raghav Datla said it will be difficult to see meaningfully lower inflation readings in upcoming data and that the figures are hard to forecast. More upbeat, veteran strategist Ed Yardeni said markets are learning to coexist with the risk of an Iran war much as they adapted to the Russia-Ukraine conflict, and he reiterated his view that the S&P 500 bottomed on March 30.