Nvidia lifts, Warsh caps.

The week split into three acts. Oil eased early as Gulf diplomacy reasserted; Nvidia’s blowout mid-week revived the AI trade and carried the indices to their best session since early August; and then Kevin Warsh, in his debut as Chair, reminded everyone the inflation problem has not gone away. His message was blunt — recent data show inflation has cooled “a bit,” but not enough to convince him the underlying trend has improved, and rate hikes may be needed. The market took him at his word: bets on a September hike, which had faded after soft jobs data, spiked to 57%, and stocks slipped on Friday. The net was still a positive week, but the complexion changed. Of the three things we had been watching, two turned constructive — oil below $90 and AI earnings intact — while the third, the Fed, turned the other way. That is the tension into a holiday-shortened week that ends with the August jobs report, now doubly important with a hike back in play.

• Stocks recovered — the indexes clawed back last week’s loss, all finishing less than 1% higher.
• Nvidia was the engine — its blowout drove the best day since early August and revived the AI leaders.
• Warsh reset the Fed read — a hawkish keynote pushed September hike odds to 57% and capped the week.

Figures are the week to Friday 28 Aug’s US close; weekly index moves are approximate; rates, FX and commodity levels are the latest available. Single names appear as news, not recommendations. Times GST.

For the region, this was the calmest week for oil in some time — and a useful reminder of how much the Gulf now drives the global picture. Brent held below $90 throughout, near $89, as the diplomatic framework Iran’s foreign minister outlined — a new corridor, joint mine-clearing and future management of the Strait of Hormuz — stayed on the table, and no fresh escalation occurred. Washington kept up its sanctions pressure, so the two tracks continue in parallel and the strait remains largely blocked, but the absence of a flare-up let crude settle lower and took some heat out of the inflation debate. The irony of the week is that even with oil easing, the Fed grew more hawkish: Chair Warsh made clear that a lower oil price alone will not convince him inflation is beaten, with core measures still stuck in the mid-3s. For the Gulf, calmer crude is welcome; for the global rate outlook, it was not enough.

Vault Wealth’s house view: we had been building a case to ease our defensive stance, and this week resolved it — but not the way the oil price alone would suggest. Two of our three gates opened: oil held below $90 and Nvidia reassured on AI earnings. The third slammed shut: Warsh’s hawkish keynote and a 57% chance of a September hike mean the rate risk is now clearly to the upside. So we hold the energy and gold hedge and do not chase the equity rebound. We can lean a little less defensively on the oil relief, but the improved geopolitics is offset by a tougher Fed, and next week’s jobs report will do more than any speech to decide the September call. Balanced, liquid, and patient into the data.