Brent crude surged 3.3% to $90.97 a barrel in Asian trading on Monday after what intelligence sources described as a ninth consecutive night of U.S. military strikes against Iranian targets, effectively ending an interim memorandum of understanding that had briefly brought relief to energy markets. Three tankers, including a Qatari LNG vessel, were reported damaged, according to UK Maritime Trade Operations, driving a fresh risk premium into crude prices that analysts warned could push toward pre-crisis highs if disruptions persist.
The energy shock reverberated immediately across financial markets. The Bloomberg dollar index jumped as much as 0.8% to its highest level since early February, and swaps traders cut their expectations for Federal Reserve easing in 2026 to just 56 basis points from 60 basis points the prior session. The IMF, which as recently as July 8 had projected global growth at 3.0% for 2026 and flagged 4.7% headline inflation, now faces a scenario in which its inflation projection is almost certainly too low given the renewed crude spike.
The Strait of Hormuz, through which over 20% of the world's oil trade ordinarily passes, has seen traffic grind toward a halt, with LNG tankers serving Asian demand centers diverting to longer routes. Gasoline inventories in the United States are already running about 14 million barrels below their five-year seasonal average and at their lowest point for this time of year since 2012, according to EIA data, leaving the domestic retail market with little buffer against a prolonged supply disruption.
For business operators, the consequences arrive on multiple fronts simultaneously: fuel costs that had started to moderate in June are heading higher again, global shipping costs are rising as vessels reroute, and the prospect of Federal Reserve rate cuts u2014 which had supported capital spending plans u2014 is receding. The ECB raised rates to 2.25% in June citing the same energy shock, and its Thursday meeting now carries a more hawkish tone, with MUFG Research forecasting one additional ECB hike of 25 basis points in September.
The S&P 500 closed Friday at 7,457.69, down 1.6% on the week, while the Nasdaq Composite dropped 2.9% and the semiconductor ETF posted its third weekly loss in four weeks. Monday carries no major scheduled earnings or data, making the Iran-oil story the primary market driver until Alphabet and Tesla report Wednesday.
Of the roughly 50 S&P 500 companies that have already reported this season, 88% have topped analyst earnings expectations, providing a solid floor for sentiment. Investors will focus on Alphabet's cloud and AI monetization, Tesla's vehicle margins and Cybercab outlook, GM's tariff and EV guidance, and Intel's first detailed look at its turnaround plan u2014 all against a backdrop of elevated energy costs and tighter financial conditions.
U.S. gasoline futures climbed above $3.40 per gallon last week, reaching their highest level since late May, as Middle East strikes compounded disruptions to Russian refinery capacity following Ukrainian drone attacks. EIA data shows gasoline inventories sitting roughly 14 million barrels below the five-year seasonal average, keeping the crack spread at its widest since June 2022 and amplifying the pass-through to retail pump prices.
The People's Bank of China kept its one-year loan prime rate at 3.0% and the five-year rate at 3.5% on Monday, prioritizing currency stability over stimulating a sluggish manufacturing recovery, according to reporting on the decision. The hold disappointed calls for a cut and adds another headwind for emerging-market economies already squeezed by a stronger dollar and $90 oil.
The European Central Bank raised its deposit facility rate to 2.25% on June 11 u2014 its first hike since 2023 u2014 citing war-driven inflation that the bank projected would average 3.0% across 2026. Thursday's July 23 meeting is a non-projection meeting, and markets currently price roughly an 88% probability of a hold, but MUFG Research expects ECB President Lagarde to strike a more hawkish tone given the renewed rise in energy prices and the effective collapse of the U.S.-Iran deal.
Federal Reserve Chairman Kevin Warsh has framed the internal rate debate as a 'family fight' over whether to tighten further or hold, and Cleveland Fed President Beth Hammack noted last week that business leaders are increasingly asking the central bank to act on inflation, citing energy costs, supply chain disruptions, and AI data-center buildout. With swaps traders now pricing only 56 basis points of easing for all of 2026, the September meeting rate-hike risk u2014 which had faded u2014 is back on the table.
The PHLX Semiconductor Index has fallen nearly 20% from its late-June peak as investors question whether elevated AI hardware spending reflects rising costs or genuinely stronger demand. The rotation out of semiconductors and back toward financials, industrials, and energy has been pronounced, with the next critical test arriving Wednesday when Alphabet u2014 the first major hyperscaler chip buyer to report u2014 publishes its second-quarter results.
Anthropic, the AI startup backed by Google and Amazon, has moved closer to a mega-IPO as investment bankers have begun lining up investor meetings, CNBC reported last week. Separately, Meta and Anthropic were reported to be in early-stage discussions about a potential computing deal worth up to $10 billion, a move that would mark an unusual arrangement between a hyperscaler and a frontier AI competitor.
The NFIB Small Business Optimism Index rose 2.1 points in June to 97.4 u2014 its highest reading in four months and above the 95.8 consensus forecast u2014 as expectations for better business conditions rose 10 points and real sales outlooks improved 8 points. However, 21% of owners cited inflation as their single most important business problem, the highest share since October 2024, and the Uncertainty Index remains at 89, more than 20 points above its historical average.
A seasonally adjusted 32% of small business owners reported job openings they could not fill in June, up 3 points from May's lowest level since 2020, according to the NFIB. Analysts noted the labor backdrop looks more supply-constrained than demand-driven, with firms reporting fewer qualified applicants even as compensation pressures cooled modestly u2014 a combination that keeps wage inflation stickier than headline optimism data suggest.
The renewed surge in oil and the widening gasoline crack spread mean that any business with fuel exposure u2014 fleets, delivery, logistics, food service, manufacturing u2014 should expect input costs to rise again in July and August, reversing the brief relief that came after the spring price peak. The EIA's own forecast had penciled in $3.80 per gallon for the third quarter before the latest escalation; operators should stress-test their budgets against the $4.00-plus scenario that has become plausible again. Hedging fuel purchases or renegotiating fuel surcharge clauses in contracts now, while the situation is still developing, will be less costly than acting after prices have fully repriced.
On the positive side, the NFIB data confirms that small-business sentiment is recovering and capital spending plans are at their highest point of the year, suggesting peers are beginning to lean back into investment. But the same survey flags inflation u2014 not demand u2014 as the top constraint, and with the Fed's rate-cut window narrowing and the ECB signaling further tightening ahead, borrowing costs are unlikely to fall materially before year-end. The practical takeaway: prioritize fixed-rate financing for any capital projects already in the pipeline, and watch Wednesday's Alphabet and Tesla earnings for signals on whether the AI infrastructure cycle is cooling or simply pausing u2014 the answer will determine how quickly technology vendors adjust their pricing and roadmaps.