Here is the week's cleanest signal: AI infrastructure is getting bid, enterprise software is getting repriced, and oil above $100 just turned Friday's CPI into the most important inflation print of the year. The market came back from Labor Day with three simultaneous headaches, Houthi attacks on Saudi energy facilities, Iran threatening a maritime exclusion zone near Hormuz, and OpenAI's GPT-6 Astra launch reframing the competitive threat to legacy SaaS. The tape handled all three with surgical precision: energy and chips higher, software and defensives lower. That is not a confused market. That is a market making a decision.
The Infrastructure/Software Fault Line Just Got a Lot Wider
Tuesday's session confirmed the split in full: the Dow tumbled 628 points while the S&P 500 fell 0.58% to 7,673 and the Nasdaq declined 0.32%, each logging back-to-back losses after Friday's NFP reaction. Wednesday opened with more of the same. Stocks continued lower as rising oil prices stoked inflation fears, with Brent crude futures trading above $100 a barrel for the first time since July.
The software side of AI took the harder blow. ServiceNow dropped approximately 5% and Salesforce fell about 4%, with the catalyst being renewed concern that OpenAI's newest AI model could compete directly with services traditionally provided by specialized software companies. That is not a knee-jerk selloff. It is a structural repricing of the substitution risk that has always lurked inside the enterprise SaaS model, finally finding a catalyst large enough to force the question.
Meanwhile, the infrastructure layer held. Optical networking names surged on commentary around GPT-6 Astra explicitly pointing to 800G and 1.6T optical modules as direct beneficiaries of another compute scale-up cycle, while nuclear power names including LEU also saw strength. Qualcomm jumped on a partnership with Amazon Web Services to build out AWS AI infrastructure, with the announcement citing exponential growth in AI workloads driving unprecedented demand for compute, networking, and energy-efficient processing. The read is straightforward: the model getting smarter accelerates demand for the wires, the power, and the silicon, while threatening the software sitting on top.
On the geopolitical side, the energy-security thesis is no longer a tail risk. Houthi rebels launched a wave of attacks on Saudi Arabia Tuesday, igniting fires at oil facilities and utilities in what marked a major escalation in renewed fighting between the Iranian proxy group and a key U.S. ally. Separately, Iran's Supreme National Security Council indicated Tehran is planning to announce a maritime exclusion zone outside the Strait of Hormuz where it intends to stop vessels attempting to transit without Iranian permission. Brent near $100 with Hormuz back in play is an unambiguous input for both the firm-power thesis and the rate path heading into September 16.
On rates, the Fed's blackout window is firmly in place. The quiet period around the September 15-16 FOMC meeting started on Saturday, September 5, and runs through Thursday, September 17. Treasury yields edged higher through the week as traders awaited key inflation data, with the 2-year note at 4.39% and the 10-year near 4.80%. Futures markets had been pricing roughly 58-61% odds of a 25-basis-point hike as of Tuesday's close, per multiple sources. Oil above $100 is not making that number smaller.
PPI Thursday, CPI Friday, The FOMC Gets Its Answer
The next 48 hours are the event. The Bureau of Labor Statistics releases the Producer Price Index on Thursday morning before the opening bell, followed by the Consumer Price Index on Friday morning. Geopolitical developments in the Middle East, the jump in energy prices, and rising U.S. yields have put inflation data squarely at the forefront, with most investors eyeing Thursday and Friday's PPI and CPI reports as the defining inputs.
The stakes are not subtle. The FOMC convenes in six days. Warsh has 162,000 jobs in his pocket and oil above $100 on the tape. A CPI reading that comes in hot, or even in-line with an energy-driven upside risk, is the last brick in the wall. A genuine soft print is the only thing that meaningfully reopens the hold argument, and at this point that would have to be a material miss, not just a rounding error below consensus.
The Goldman Sachs Communacopia and Technology Conference in San Francisco runs through Thursday, and management teams from across the AI stack will be on stage through the end of the week. Watch for any hyperscaler or infrastructure commentary on capex cadence and power demand, given that the binding constraint continues to migrate from silicon toward the grid.
The non-consensus read worth sitting with: the software-versus-infrastructure split this week is not a rotation that will fully reverse once sentiment stabilizes. The GPT-6 Astra launch reframed the competitive threat to enterprise software companies in a way that will require fundamental re-underwriting, not just a calmer tape. That is a longer story, but the Tuesday selloff in NOW, Salesforce, and Intuit looked less like a panic and more like a first-draft verdict. The infrastructure and power names, including the grid-and-firm-power complex that this fund has leaned into thematically for more than a year, had the better week for a reason.
The bottom line heading into Thursday: PPI first, CPI Friday, FOMC in six days. Investors are digesting Friday's hot August jobs data and returning to a calendar that now demands clarity on whether energy-driven inflation is durable enough to put the hike decision on automatic pilot. If both prints come in elevated, the market already knows what Warsh's answer looks like. The only question is whether the tape has fully priced it.
This document is for informational purposes only and does not constitute investment advice. It is intended solely for the recipient and may not be redistributed without permission. Nova One Capital and the Nova X Convergence Fund hold positions in securities discussed in this letter. All views reflect the authors' current opinions and are subject to change without notice. Past performance is not indicative of future results. September 9, 2026.