Global markets retreated sharply Monday as President Donald Trump's escalating threats against Iran sent oil prices surging, threatening to impose higher energy costs on consumers and businesses worldwide while U.S.-Iran peace negotiations remain stalled.
World shares mostly fell and oil prices jumped after Trump warned Tehran that the "clock is ticking" as efforts to secure a permanent end to the war have faltered. The warning, delivered via social media following a call with Israeli Prime Minister Benjamin Netanyahu, stated Iran had better "get moving, FAST, or there won't be anything left of them."
Energy Costs Squeeze Consumers
Brent crude, the international standard, gained 0.7% to $110.05 per barrel—a dramatic increase from roughly $70 a barrel in late February before the start of the Iran war. Benchmark U.S. crude traded 1% higher at $106.49 per barrel. The surge in oil prices threatens to drive up costs for households already facing economic pressures, with higher energy expenses flowing through to transportation, heating, and consumer goods.
The Strait of Hormuz remains mostly closed, and the U.S. has imposed its own sea blockade on Iranian ports since last month, constricting global energy flows of oil and gas. "Re-escalation risks are increasing," ING commodities strategists Warren Patterson and Ewa Manthey wrote in a research note, warning that while shipping activities have picked up around the strait over the past week, "this can change quickly."
Markets React to Diplomatic Failures
U.S. futures fell and markets in Japan and South Korea pulled back from their records. Tokyo's Nikkei 225 fell 1% to 60,815.95, a decline led by technology-related stocks. It reached all-time intraday high levels last week above 63,000. In early European trading, France's CAC 40 lost 0.9% to 7,883.42, and Germany's DAX dropped 0.1% to 23,925.82.
The market turbulence reflects investor concerns about the lack of tangible results on the Iran war after last week's widely-watched summit between Trump and Chinese President Xi Jinping in Beijing. While the White House said both the U.S. and China had agreed that the Strait of Hormuz must remain open, it remains unclear how Beijing might use its economic ties with Iran to help broker a peace agreement.
The yield on the U.S. 10-year Treasury rose to around 4.60%, up from 4.47% last Thursday and sharply higher than the nearly 4% level it held before the Iran war—a shift that will increase borrowing costs for homebuyers, businesses, and the federal government. The yield on the 10-year Japanese government bond surged to as high as 2.8%, its highest level since the late 1990s, as higher energy costs raise expectations of rising inflation.
Regional Tensions Escalate
A drone strike targeted the United Arab Emirates' sole nuclear power plant on Sunday, sparking a fire on its perimeter. There were no reports of injuries or radiological release, but the attack highlighted the risk of renewed war as the Iran ceasefire remains tenuous.
China reported weaker-than-expected economic data for April, adding to concerns about global economic stability. Hong Kong's Hang Seng lost 1.1% to 25,675.18, while the Shanghai Composite index edged 0.1% lower to 4,131.53. Australia's S&P/ASX 200 declined 1.5% to 8,505.30.
Trump has set deadlines for Iran and then backed off, leaving investors cautious about the situation. U.S. officials had hoped Beijing could use its influence to help broker a peace agreement and reopen the strait. Trump said last week in an interview that Xi told him China "would like to be of help" in negotiating an end to the war, but concrete progress remains elusive.
Why This Matters:
The combination of military threats, diplomatic stalemate, and surging energy prices threatens to impose significant economic hardship on working families and vulnerable populations who spend a larger share of their income on energy and transportation. Oil prices have risen more than 50% since late February, with costs flowing through to gasoline, home heating, and consumer goods. Higher interest rates driven by inflation fears will make mortgages, car loans, and credit card debt more expensive for households. The failure of diplomatic efforts—including last week's Trump-Xi summit—to produce concrete progress toward reopening the Strait of Hormuz leaves global energy supplies vulnerable to further disruption. Without multilateral cooperation and de-escalation, the conflict risks broader regional war that could devastate civilian populations and trigger a global recession, with the heaviest burden falling on those least able to afford it.