The sudden escalation of military exchanges between the United States and Iran, culminating in Tehran’s announcement that it was closing the Strait of Hormuz, sent shockwaves through commodity and financial markets. Brent crude surged more than 5% to around $76 a barrel as traders assessed supply risks along the world’s most important oil chokepoint. The same jolt rippled through gold, which shed 1.7% over the week to trade near $4,100 an ounce. Higher energy prices reignited inflation anxiety, pushing investors to price in a greater chance of further monetary tightening by the Federal Reserve — a dynamic that simultaneously dulled the appeal of the non‑yielding metal and lifted the dollar.

The mechanism is straightforward: dearer oil feeds into headline inflation and, if sustained, can seep into core measures through transport and production costs. With the US consumer price index for June due on Tuesday, market participants now worry that even a modest upside surprise could cement expectations of additional rate increases. That turns the scheduled appearances of Fed Chair Kevin Warsh before House and Senate committees — his first such testimony since succeeding Jerome Powell — into a make‑or‑break moment. Viewed from Washington, Warsh must calibrate his message to acknowledge the new energy‑driven price pressures without triggering a disorderly repricing of rate expectations, all while the central bank’s own June minutes revealed a committee already leaning toward tighter policy.

The effects reverberate well beyond American shores. The costlier oil could add as much as 2.5 percentage points to Argentina’s annual inflation this year, according to a report by the UN’s Economic Commission for Latin America and the Caribbean, while the IMF warned that higher essentials would aggravate poverty and food insecurity in Nigeria. In India, equities face a week of domestic inflation data and corporate earnings; analysts in Mumbai noted that foreign portfolio flows have turned positive, but stress that geopolitics and crude prices remain the primary swing factors. Even in countries where headline inflation recently moderated — Mexico’s rose by a relatively contained 1.46% in the first half of 2026 — the renewed energy spike is complicating the outlook for households and central bankers alike.

The most immediate benchmark arrives on Tuesday with the US CPI, followed on Wednesday by producer prices and retail sales on Thursday. Together they will either validate or challenge the rate‑hike probabilities that gold prices have already begun to reflect. Simultaneously, second‑quarter earnings from JPMorgan, Goldman Sachs, TSMC and ASML start to flow, offering a real‑time read on how corporate margins and global technology supply chains are navigating the cross‑currents of geopolitics and inflation. The next factual milestone to watch is Warsh’s testimony: traders will parse every sentence for how the Fed intends to balance energy shocks, sticky prices and a still‑resilient US economy.