Global Stock Markets Face Volatility as US-Israeli Conflict With Iran Enters Fourth Day

By IndraStra Business News Desk

 Asian stock markets plunged on Tuesday amid escalating US-Israeli military action against Iran, now in its fourth day, as fears of energy supply disruptions sent oil prices higher and battered risk appetite across the region. The sell-off followed a mixed performance on Wall Street, where major US indexes closed little changed on Monday despite earlier sharp declines, highlighting the uneven global response to the widening Middle East crisis that has already disrupted shipping through the Strait of Hormuz and halted some regional energy production.
In Japan, the Nikkei 225 fell as much as 3 percent, shedding around 1,690 points to close near 56,366, extending losses from the previous session as energy and consumer cyclical stocks weighed on the benchmark. South Korea’s Kospi tumbled 5.37 percent, or 376 points, to 5,868, with the index briefly triggering a trading curb after futures dropped more than 5 percent; Samsung Electronics and SK Hynix each lost more than 6 percent, though defense-related shares such as Hanwha Aerospace surged over 20 percent. Australia’s S&P/ASX 200 declined 1.34 percent to 9,077, while Hong Kong’s Hang Seng Index dropped 0.58 percent to 25,908 and mainland China’s CSI 300 eased 0.24 percent. India’s Nifty 50 fell 1.24 percent to 24,865, and Singapore’s Straits Times index slid 1.8 percent. Earlier reports on Monday had captured even steeper moves, with the Nikkei crashing more than 900 points at one stage and the Hang Seng down over 2 percent as markets opened March trading in the red.
The declines came as oil prices extended gains following reports of Iranian actions affecting the Strait of Hormuz, the narrow waterway through which about 20 percent of the world’s oil supplies and nearly a third of seaborne crude exports pass daily. US crude futures rose 1.4 percent to $72.23 a barrel, while Brent crude climbed 1.87 percent to $79.20. Earlier spikes had been sharper: West Texas Intermediate surged as much as 13 percent on Monday before easing, with Brent adding 2.2 percent by early Tuesday. Natural gas prices jumped even more dramatically, with European benchmarks soaring as much as 50 percent after QatarEnergy halted production at two sites following drone attacks. Gold, viewed as a safe-haven asset, rose 1.26 percent in futures trading, while silver gained 1.14 percent.
The conflict’s immediate market impact centered on energy fears rather than direct damage to oil infrastructure, though Iranian counterstrikes hit vessels and facilities in the region. At least three tankers were damaged and one seafarer killed over the weekend, including the Honduras-flagged fuel tanker Athe Nova struck by two drones. Shipping traffic through the strait ground nearly to a halt, with cargo vessels dropping from more than 50 a day to just seven on Sunday, according to Lloyds List data. Iranian media claimed the strait was effectively closed, with Tehran stating it “would burn any ship” attempting to pass, though no formal blockade was declared. Saudi Aramco shut its Ras Tanura refinery, which processes about 550,000 barrels a day, after debris from intercepted drones struck the facility. These developments amplified concerns for net energy importers in Asia and Europe, where higher fuel costs could feed into inflation and slow growth.
In the United States, the S&P 500 inched up 0.04 percent on Monday, the Nasdaq Composite rose 0.36 percent, and the Dow Jones Industrial Average fell 0.15 percent to 48,904, even as airline stocks such as Delta and United dropped sharply on flight cancellations to the Middle East. President Donald Trump indicated the conflict could be short-lived, saying the war “has always been a four-week process” and could last “four weeks or less,” while remaining open to talks with Iran. Indian markets, which closed lower on Monday with the Sensex down 1.29 percent and the Nifty near 24,850, were shut on Tuesday for the Holi holiday and were expected to react on Wednesday to global cues, rising crude prices, and a weakening rupee.
Broader analysis from economists suggested the economic fallout remained limited so far but carried risks of amplification if the fighting persisted. Mark Zandi, chief economist for Moody’s Analytics, said, “The military conflict with Iran is devastating for everyone involved, but the economic fallout has been limited, at least so far.” Ryan Sweet, chief economist at Oxford Economics, added, “In isolation, the U.S.-Israeli attack on Iran doesn’t have a significant impact on the global economy… But there’s a growing risk that shocks begin to pile on top of one another, amplifying the hit.” Forecasters noted that the recent oil price spike ranked as only the 38th-highest since 1990, smaller than those during the COVID-19 pandemic or the 2019 Saudi drone attacks, underscoring the resilience observed in past disruptions.
Tom Porcelli, chief economist at Wells Fargo Economics, offered a measured assessment based on modeling: “Our model simulations of 10% and 30% sustained increases in oil prices do not come close to generating a U.S. recession or markedly changing the trajectory for core inflation… Absent a prolonged war and major long-term disruptions to key shipping routes in the Strait of Hormuz, the impact on U.S. economic growth, inflation and monetary policy should remain modest. Of course, the opposite also could be true.” Kristian Ker, head of macro strategy for LPL Financial, pointed to the energy channel as central: “From a market perspective, the energy market is the primary way through which this crisis is likely to impact global markets… Any sustained disruption to oil or natural gas flows, especially if both severe and long-lasting, has the potential to influence inflation expectations, weigh on business confidence, and elevate volatility across asset classes.”
Neil Shearing, chief economist at Capital Economics, emphasized timing: “The duration of the shock matters as much as its magnitude. If prices retrace over the next few months – either because the conflict de-escalates or because producers increase output to offset any disruption – then the impact on inflation in developed markets is likely to be modest and short-lived.” Goldman Sachs estimated that a month-long blockade of the strait could lift oil prices by up to $15 a barrel, though OPEC+ quota increases might partially offset the effect. A $10 rise in the oil price could add 0.4 percentage points to consumer inflation and shave as much as 0.3 percentage points from global GDP growth if sustained, according to some projections.
Investment perspectives highlighted sector-specific shifts and historical patterns. Stephen Innes, managing partner at SPI Asset Management, observed, “Since 2000, there have been 22 one-day oil price spikes of more than 10 percent. In other words, energy shocks do not automatically derail equities unless they are severe and sustained. The market is well aware of that playbook.” Invesco’s scenario analysis assigned probabilities to outcomes: a 40 percent chance that Iranian military capabilities are disrupted with oil facilities intact and the strait open, potentially leading to lower prices as OPEC+ ramps up; a 30 percent chance of significant shipping restrictions, viewed as most damaging; and lower probabilities for direct hits on regional energy assets. Equities would likely fall initially in a risk-off environment, with energy producers, defense stocks, and gold miners benefiting while cyclical and consumer sectors faced pressure. Europe and Japan, more dependent on imported energy, appeared more exposed than the United States, which benefits from domestic shale production and strategic reserves.
The crisis has already altered regional dynamics in ways that could reshape longer-term economic outlooks. The Gulf Cooperation Council states have shown increased solidarity after Iranian strikes targeted civilian and energy sites in the UAE, Saudi Arabia, Oman, and Qatar, prompting reassessments of national security and reliance on US military presence. The UAE, where more than three-quarters of gross domestic product comes from non-oil sectors that drive growth, faces particular challenges to its reputation as a business and tourism hub. One analysis noted, “The casualties and damage from drones to major airports and iconic tourist spots will have lasting consequences on the region’s reputation as a business hub,” and added that “over three quarters of the UAE’s gross domestic product comes from non-oil sectors, and those sectors are the primary source of economic growth.” Dubai’s appeal for international business could suffer from global media coverage of the attacks, even as Saudi Arabia potentially emerges in a stronger position with Iran weakened.
Airlines across Asia bore the brunt of immediate operational hits, with Korean Air plunging more than 9 percent, Japan Airlines sinking about 6 percent, ANA down 2.4 percent, and Qantas losing 2.9 percent amid thousands of canceled flights. Japanese energy firms such as Eneos Corp. fell nearly 6 percent and Idemitsu Kosan nearly 4 percent on supply worries, despite Japan’s strategic stockpiles estimated to last more than 200 days. Currencies reflected the turmoil, with the US dollar strengthening against the yen to 156.29 from 156.04, while the euro eased slightly.
Yet the overall market reaction remained contained compared with some historical precedents, as investors weighed the conflict’s potential brevity against the risk of escalation. US stocks had held firm overnight after Monday’s session, with the S&P 500 closing flat and the Nasdaq edging higher, suggesting that while geopolitical tensions dominated headlines, many participants viewed the situation through the lens of past events that ultimately proved transitory absent prolonged supply shocks. Defense and aerospace shares gained ground globally, consistent with expectations for increased military spending, while out-of-region energy producers saw support.
Looking ahead, analysts cautioned that the interplay of multiple shocks—rising energy costs, potential inflation pressures, and shifting central bank expectations—could test resilience. The Bank of England had already lowered the probability of a March rate cut to 69 percent from 80 percent amid elevated inflation expectations. In the United States, sustained higher oil prices could complicate Federal Reserve policy, particularly if they delay the anticipated easing under the current administration. Emerging markets faced mixed fortunes: energy exporters might benefit from higher prices, while importers in Asia grappled with currency depreciation and imported inflation.
The conflict’s fourth day brought no resolution, with Iranian responses continuing and US-Israeli operations ongoing. Markets remained on edge, monitoring tanker movements, insurance rates for shipping in the strait, OPEC+ statements, and any signs of de-escalation. Historical patterns suggest that, absent major, lasting disruptions to global oil flows, the direct hit to economic growth and corporate earnings could prove modest, allowing equities to recover once uncertainty lifts. At the same time, the potential for cascading effects—higher fuel costs squeezing consumers and businesses, reduced confidence and volatility spilling into bond yields and currency markets—underscored the need for vigilance.
This episode joins a series of geopolitical events that have tested global financial systems in recent years, from the Russia-Ukraine conflict to earlier flare-ups in the Middle East. Each has reinforced the market’s tendency to price in risks quickly and then look beyond them when fundamentals hold. For now, the focus stays on energy markets as the primary transmission mechanism, with stock indices reflecting that channel more than any broad reassessment of corporate profitability or growth trajectories. Whether the conflict remains contained within weeks, as some official statements suggest, or extends and compounds existing pressures will determine the ultimate scale of its imprint on global portfolios and economies. Investors and policymakers alike are watching developments closely, balancing short-term volatility against the possibility of more enduring shifts in energy security and regional stability.

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