Week in Review: AI Supercycle Broadens as Iran Ceasefire Hopes Whipsaw Oil and S&P
500 Extends Nine-Week Winning Streak
The week delivered a decisive broadening of AI monetisation from semiconductors into data platforms and cloud software — Snowflake surged 48% on a $6 billion AWS deal, Okta beat on agentic AI demand, and Meta and MSFT surged on cloud expansion, reframing where AI spending accretes to equity holders. Geopolitical risk gyrated violently: Iran retaliation fears spiked Brent crude over 3% on Tuesday before ceasefire deal signals pulled oil roughly 10% lower across the week; Israel's Lebanon offensive expansion on Monday then partially reversed the de-escalation narrative. The S&P 500 extended its nine-week winning streak to a record close of 7,580 with the Dow crossing 51,000 for the first time, while 10-year yields fell 11 basis points even as the Fed's hawkish consensus locked rate-cut probability near zero for 2026.
Week in Review
The week of May 26–June 1 was defined by two forces trading dominance across successive sessions: the widening confirmation of the AI capital expenditure supercycle and the violent oscillation of Middle East geopolitical risk. Neither resolved cleanly, but equities proved resilient enough to extend the S&P 500's nine-week winning streak to a record close of 7,580, with the Dow crossing 51,000 for the first time in history. The Nasdaq gained roughly 2% for the week and added 8% in May, underscoring that institutional capital continues to bid technology leadership at each dip even as macro headwinds accumulate.
Tuesday opened the abbreviated week — U.S. markets were closed Monday for Memorial Day — with a direct geopolitical shock: Iran formally vowed retaliation for U.S. military strikes, driving Brent crude up more than 3% intraday as analysts warned the Strait of Hormuz closure could persist for months. Simultaneously, Micron surged 19% to a $1 trillion market capitalisation, matched the same session by SK Hynix, converting the AI memory supercycle from a forward narrative into a reported-earnings fact. The juxtaposition captured the week's central tension: a macro environment strained by energy supply disruption running alongside a technology earnings cycle producing historic breakouts. Wednesday brought fresh U.S. military strikes against Iranian targets and confirmation from Fed hawks Goolsbee and Kashkari that persistent energy inflation locks rate cuts off the table for 2026, crystallising a stagflation-adjacent backdrop just as Meta surged 3.74% on Zuckerberg's cloud computing expansion signal and Salesforce's guidance miss confirmed the existential disruption risk facing legacy enterprise software.
The week's pivotal broadening arrived Thursday: Samsung's shipment of next-generation HBM4E memory samples reinforced the AI hardware thesis from the supply side while Snowflake posted its best single trading day ever, gaining 48% for the week on a $6 billion AWS data infrastructure deal, with Okta gaining 8% on agentic AI enterprise identity demand. These results confirmed that AI monetisation has crossed the inflection point from semiconductor supply chains into multi-layer enterprise software and data platforms. The same session, signals of a potential two-month U.S.–Iran ceasefire framework injected hope into geopolitical risk assets: oil began retreating sharply, ultimately ending the month approximately 10% below its intra-week peak and down roughly 19% from 2026 highs. Month-end Friday saw indices reach all-time highs with the Dow breaking 51,000 as compression in both oil prices and 10-year Treasury yields — which fell 11 basis points on the week — provided a dual tailwind for risk assets. On Monday June 1 the AI complex bifurcated: AVGO gained 4.73% and MSFT surged 5.45%, confirming AI capex rotation toward custom silicon and enterprise software, while NVDA's third consecutive close below its 20-day moving average with deteriorating momentum confirmed technical breakdown in the AI hardware leader. SoftBank's EUR 75 billion European AI infrastructure pledge validated the supercycle as a multi-continent institutional commitment. The same session, Israel's expansion of its Lebanon offensive rattled ceasefire frameworks and pushed oil up 2%, partially reversing the week's de-escalation trade and keeping Hormuz risk premium structurally embedded in crude.
Japan's bond market deserves mention as the week's under-watched macro risk: the 40-year government bond yield hit a four-decade high, introducing a global rates contagion tail that equity markets have yet to fully price. Should Japanese long rates continue rising, the yen carry unwind dynamic that periodically disrupts global risk assets could re-emerge as a secondary macro risk heading into summer, compounding the Fed's higher-for-longer constraint on duration and credit spreads alike.
Next Week Outlook
The dominant market-moving event next week is Friday's U.S. Nonfarm Payrolls report (June 5), with consensus forecasting 77,000 jobs added versus 115,000 in the prior print — a meaningful expected deceleration. Average Hourly Earnings are projected to tick higher to 0.3% month-over-month from 0.2%, keeping wage inflation in the picture even as headline job creation slows. The outcome presents a bifurcated scenario for equities: a weak headline near or below 77K risks recession-pricing in rate-sensitive sectors and a broad risk-off shift; a soft-landing read in the 90–110K range with contained earnings growth would sustain the current higher-for-longer but no-crash consensus; a strong beat above 120K with elevated wages would reinforce the Fed's pause posture and likely compress technology multiples at current all-time high valuations. Wednesday's ISM Services PMI (forecast 53.6, with Services Prices Paid forecast at a still-elevated 72.1) and ADP private payrolls will establish the directional bias heading into Friday's headline number. Tuesday's EU CPI release (forecast 2.6%, cooling from 3.0%) and ECB President Lagarde's speech Thursday will shape European monetary policy expectations and provide a read on whether global disinflation is broadening or stalling.
On the geopolitical axis, the durability of Iran ceasefire progress versus the trajectory of Israel's Lebanon offensive is the primary macro wildcard. An announced ceasefire framework — even provisional — would likely accelerate oil's decline toward $85–88 Brent, further compressing energy inflation and reopening the rate-cut conversation for H2 2026. A breakdown in talks or further Lebanon escalation drawing in Hezbollah and threatening broader regional stability would reverse the oil compression trade and re-activate the stagflation-adjacent macro regime that dominated the first three weeks of May. The EIA crude inventory report Wednesday (consensus draw of 6 million barrels) will provide a real-time read on demand conditions beneath the geopolitical noise. For equity markets specifically, AI infrastructure demand remains the primary secular driver: AVGO's momentum, MSFT's enterprise AI traction, and SoftBank's multi-continent infrastructure commitment all point to sustained capex through summer regardless of the broader macro backdrop. Technically, NVDA's ability to reclaim its 20-day moving average above $215 in the coming sessions is the AI hardware sector's key inflection — a recovery there would signal consolidation rather than sustained distribution. The week closes with Japan's Q1 GDP print (Sunday June 7, forecast +0.5% q/q) — a miss there would amplify the global growth slowdown narrative and draw fresh attention to the yen carry risk building quietly in the background.