Iran-Israel clashes shatter truce, propel oil towards $100 and sink Asian equities

The fragile ceasefire in the Middle East collapsed over the weekend as Iran fired ballistic missiles at Israel and Israeli jets struck back against targets inside the Islamic Republic, including the Karun petrochemical facility at Mahshahr, sending already jittery oil markets spiking by more than 5%. Brent crude futures surged past $97 per barrel in early Monday trading, with West Texas Intermediate climbing above $94, dragging benchmarks perilously close to the $100 threshold that has not been breached since the energy dislocation that followed Russia’s 2022 invasion of Ukraine. The exchange of fire marked one hundred days of a conflict that has repeatedly threatened to choke off energy flows through the Strait of Hormuz, a chokepoint through which roughly a fifth of the world’s oil passes.

Viewed from Asian trading floors, the escalation delivered a twin shock. South Korea’s Kospi index plummeted more than 8%, triggering a mandatory circuit-breaker halt, as the rout in technology stocks that began on Wall Street merged with geopolitical anxiety. Japan’s Nikkei 225 lost nearly 4%, while Hong Kong’s Hang Seng and mainland China’s Shanghai Composite fell by over 1% each. The sell-off in Seoul was exacerbated by a structural paradox: passive fund flows had concentrated market capitalisation in semiconductor giants Samsung Electronics and SK Hynix, forcing active managers to trim holdings as valuations climbed, a dynamic analysed by financial commentators in India and East Asia. Indian benchmarks were not spared; the Sensex shed more than 800 points and the Nifty tested 23,100 as crude import costs threatened to worsen inflation and fiscal balances.

Diplomatic narratives from different capitals underscored the fragility of the moment. Iranian state-aligned media described the missile barrage as a warning after what Tehran said were Israeli strikes on Beirut’s southern suburbs, while Israeli military sources reported intercepting Iranian projectiles and acknowledged their own retaliatory operations. In a telephone conversation, US President Donald Trump reportedly pressed Prime Minister Benjamin Netanyahu to refrain from further retaliation, arguing that Washington was close to a broader diplomatic arrangement. Despite those appeals, Israeli ordnance struck the Mahshahr complex, and a provincial official confirmed damage. The strike came even as OPEC+ members agreed to a nominal production increase of 188,000 barrels per day for July; analysts in London and the Gulf noted that the gesture was largely symbolic while the Strait of Hormuz remains effectively blocked, rendering extra barrels unexportable.

Outlook across the energy-investor community is dominated by the possibility of a wider interruption rather than any single supply disruption. With Brent hovering near $98 and traders pricing in a summer demand surge, the prevailing sentiment is that even a temporary halt to hostilities is unlikely to restore pre-crisis flows quickly. Many regional bourses remain vulnerable to a spiral of forced selling and margin calls, and while some strategists characterise the current equity correction as overdue after an artificial-intelligence-fuelled rally, the immediate trajectory hinges on whether Washington and Tehran can revive a ceasefire that already looks shattered. For consumers from Mumbai to São Paulo, the prospect of sustained triple-digit crude threatens to embed higher inflation and restrain central banks’ room for manoeuvre.