Market Intelligence Brief: Support Breaks, Inflation Fears Deepen, and the Conflict Enters a New Phase

March 13, 2026 - The Dow breaks through a key support level, EURUSD trades at its lowest since July, and Iran's new Supreme Leader attributes a threat to close the Strait of Hormuz, all on a Friday with no earnings to provide a distraction. 

Two weeks into the conflict, and the pattern of the week's commentary holds: not much has changed, and that absence of change is itself becoming a meaningful market signal. The US-Israeli coalition continues to attack Iranian infrastructure. Israel is expanding its Hezbollah operation in Lebanon. Iran is striking US interests across the Middle East. Oil sits at or near $100. Asian markets fell back again overnight, following Wall Street's weakness. The difference this Friday is that the economic consequences of this sustained state of affairs are beginning to crystallise in ways that go beyond energy prices. The Dow has slipped through a perceived support level. Inflation fears are spreading from the energy sector into the broader economy. Confidence is subsiding. The conflict is no longer just a geopolitical event with market implications; it is becoming a macroeconomic story in its own right. 

Iran's New Supreme Leader and the Strait Threat 

The most significant new development of the week's final session is the statement attributed to Iran's new Supreme Leader, Mojtaba Khamenei, vowing to shut the Strait of Hormuz. The word attributed is doing important analytical work here. Unlike a statement delivered clearly and publicly, an attributed statement, one whose sourcing is indirect or uncertain, introduces a layer of ambiguity that markets and analysts must navigate carefully. 

The ambiguity extends beyond the statement itself. Rumours are circulating that the new Supreme Leader may be injured, or potentially worse. If accurate, this would introduce significant uncertainty about the chain of command within Iran's political and military structure at a critical moment in the conflict. A regime whose leadership status is unclear operates differently from one with an unambiguous command structure, and markets attempting to assess the probability of diplomatic engagement or further military escalation depend on understanding who is making decisions in Tehran. 

The threat to close the Strait of Hormuz, taken at face value, is not unexpected. In the context of a new Supreme Leader's first public statement, it serves a domestic political purpose, signalling resolve and continuity with the hardline posture that has characterised Iranian policy throughout the conflict. What it does confirm is that the regime, whatever its internal state, is still in the fight and still presenting a defiant face. The market implication is clear: no near-term diplomatic opening is being signalled from Tehran, and the Strait remains a vulnerability that cannot be discounted as resolved. 

The Dow Breaks Through Perceived Support 

The Dow's decline through its perceived support level at 47,200 is the week's most important technical development. Support levels matter not because of any mystical property of a specific price, but because they concentrate decision-making among participants who have used that level as their reference point for holding rather than selling. When a support breaks, those participants reassess. Some sell. Others wait. The result is typically that the selling pressure accelerates through the level, at least temporarily, as the structural case for holding at that price is removed. 

The break is significant in the context of what has been building over the past two weeks. The conflict's initial shock saw sharp falls from all-time highs. A partial stabilisation followed. Yesterday's session added cargo ship attacks and an EU inflation warning. Friday opens with the support gone. The cumulative weight of the past fortnight is now visible not just in sentiment but in the price structure of the index itself. 

Inflation Filters Through: From Fuel to Everyday Life 

The economic transmission of the conflict is entering a new phase. The initial impact was immediate and direct: oil prices surged, petrol and diesel costs rose, and energy-intensive businesses faced higher input costs. Those effects were visible, measurable, and quickly priced by markets. The second phase is slower, more diffuse, and ultimately more consequential: the inflationary impulse from higher energy costs works its way through supply chains, into logistics costs, into the prices of goods and services that have only an indirect relationship with oil, and eventually into the consumer price indices that central banks use to calibrate their policy responses. 

This is the phase markets are now entering. Inflation fears are no longer confined to energy-sector commentary; they are becoming a mainstream market concern, shaping interest rate expectations, currency movements, and equity valuations. The sequencing matters: energy inflation is fast and visible, goods inflation follows with a lag, and services inflation comes later still. The fact that inflation fears are spreading beyond the energy sector this early in the conflict's economic transmission suggests that the market is attempting to price not just today's fuel costs but the full inflationary chain that set in motion the sustained high energy prices. 

Interest rate hikes are the standard policy response to sustained inflation overshoot, and the prospect is now being priced in by bond markets and reflected in currency movements. For equity markets, the implications are layered. Higher rates compress valuations, raise corporate borrowing costs, and signal that the central bank's tailwind that supported markets through much of recent history is no longer available to cushion the current decline. The combination of geopolitical uncertainty and tightening monetary policy expectations is among the more challenging environments equity markets face. 

EURUSD at Its Lowest Since July: The Dollar Paradox 

EURUSD is down 0.50% and trading at its lowest level since July. The move brings into sharp focus a dynamic that runs counter to simple narratives about who benefits from dollar strength. Safe-haven flows into the dollar, driven by the conflict and the rate-hike expectations it is generating, are strengthening the US currency in ways that will, paradoxically, impose costs on the US economy. 

Dollar strength makes US exports more expensive in foreign currency terms, reducing the competitiveness of American goods in international markets. It applies deflationary pressure on import prices, partially offsetting the inflationary pressure from domestic energy costs, but in a way that creates its own distortions in the trade balance. For emerging market economies that carry dollar-denominated debt, a stronger dollar increases the real cost of debt service, creating external pressure that can feed back into global financial conditions. 

The unintended consequence of the conflict, dollar strength adding to economic complexity rather than resolving it, is one of the more analytically interesting observations of the week. Wars that drive safe-haven flows into the dollar have historically generated secondary economic effects that persist long after the initial geopolitical risk premium subsides. The currency market is currently expressing maximum fear; the question of when that fear has been fully priced, and what the dollar looks like on the other side of the conflict, will be one of the defining macro questions of the months ahead. 

European Equities: Support Under Severe Pressure 

Germany 40 is down 0.77%, and the UK 100 is lower by 0.55%; both indices are operating in a global risk-off environment that is providing little shelter from the prevailing headwinds. The DAX's support level remains technically intact, but the characterisation that it is under severe pressure is accurate. Globally, red markets, sustained high oil prices, and the growing prospect of ECB rate hikes to combat conflict-driven inflation create a set of headwinds that make the case for holding support difficult to construct. 

A support level under severe pressure from multiple directions simultaneously requires active buying to be maintained. When the fundamental case for buying deteriorates, the technical support that depends on that fundamental conviction becomes progressively harder to defend. The DAX's support is not yet broken, but it is being tested by conditions that are more challenging than those that prevailed when the level was established. 

The FTSE's natural energy hedge continues to provide partial relative protection. But with sustained elevated oil prices and broad global equity weakness, even the cushion of the energy sector's contribution cannot keep the index flat. Both major European indices are ending the week on the back foot. 

A Week That Leaves More Questions Than Answers 

The week draws to a close with markets in a weaker position than they entered it. The cautious stabilisation of mid-week proved short-lived. The cargo ship attacks, the EU inflation warning, the Dow's break through support, EURUSD at its lowest since July, and now the attributed threat to close the Strait of Hormuz have collectively pushed the market's assessment of the conflict in a more negative direction than the partial recoveries of Monday and Tuesday suggested. 

No major earnings are scheduled today, leaving the macro and geopolitical backdrop entirely unchallenged as the primary driver of whatever price action the session delivers. In a week that opened with Trump's "ahead of schedule" comment and closes with Iran's new Supreme Leader threatening to shut the world's most critical energy chokepoint, the distance between the most optimistic and the most pessimistic scenarios has not narrowed. If anything, it has widened. 

The Bottom Line 

Friday the 13th delivers a session that does justice to its reputation for difficulty. The Dow has broken through a significant support level, adding a technical dimension to the fundamental deterioration that has been developing across the week. Inflation fears are no longer confined to energy; they are spreading across the economy, a development that will eventually require central banks to address with rate hikes, adding a policy-tightening risk to an already challenged equity outlook. 

EURUSD at its lowest since July captures the dollar paradox in a single number: safe-haven flows and rate hike expectations are strengthening the US currency in ways that will create their own economic complications. All major currency pairs reflect the dollar's dominance. European indices are lower across the board, with DAX support under severe pressure despite remaining technically intact. 

Iran's new Supreme Leader has been attributed a threat to close the Strait of Hormuz, with uncertainty about his physical condition adding a further unknown to an already complex geopolitical picture. No earnings today. The weekend ahead offers time for developments in the conflict that, in either direction, will set the tone for next week's opening. Entering that weekend with a broken support level, spreading inflation fears, and an unresolved conflict that is now genuinely measured in everyday economic terms, the balance of risk is not where investors would choose to leave it on a Friday afternoon. 

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