Week Commencing 20 April – FOMC Rate Decision, US Non-Farm Payrolls in Focus

US stock valuations are facing intense scrutiny as the S&P 500 enters the 7,000 era ¹. Recent momentum relied on significant profit catalysts but a growing concern exists that these gains lack structural strength ². The market is caught in a tension between tech-led strength and a growing fragility in valuations ³.

Energy volatility and Middle East tensions

Supply disruptions in the Iran-Hormuz corridor

Global energy market stability is under pressure. News from the Iran-Hormuz corridor has shifted focus toward potential supply disruptions ⁴. Investors are monitoring how Iran integrates lessons from the Ukraine conflict into its current strategic posture ⁵. This tension is not merely speculative. Wall Street has already begun adjusting stock market targets in response to the risk of an expanded Iran war ⁶. Such shifts in the geopolitical landscape directly impact oil prices and broader market sentiment. A restricted passage through the Strait of Hormuz remains a primary driver for energy-related volatility ⁷/.

The market often overreacts to the initial headlines of conflict. The real risk lies in the structural impact on energy costs. Analysts have historically been wrong in their predictions regarding the scale of such conflicts ⁶, yet the current valuation of the S&P 500 is particularly sensitive to an energy-driven inflation spike. A sustained increase in oil prices would likely force a more hawkish stance from the Fed, disrupting the current momentum in mega-cap growth stocks ⁸. The risk is the secondary impact on global inflation regimes.

Tech momentum versus valuation extremes

The “AI mega theme” continues to provide a floor for large-cap technology. Companies like Caterpillar and CoreWeave demonstrate the ongoing expansion of AI-related infrastructure ⁹. This strength is bolstered by recent earnings beats in the semiconductor space, notably from TSMC ¹⁰. However, this optimism exists alongside a stark reality: record stock market valuations are increasingly masking a reliance on one-off profit catalysts ². While some investors argue for a “buy and hold” approach to specific growth names ¹¹, others point to market-timing indicators suggesting a significant correction is overdue ¹².

The divergence between earnings-driven growth and valuation multiples is the central conflict for the current cycle. If the earnings from the “Magnificent Seven” and their suppliers fail to exceed the lofty expectations already priced into the market, the 7,000 level of the S&P 500 may prove unsustainable ¹. The danger is that the market is treating temporary margin expansions as permanent structural shifts. When the “one-off” catalysts mentioned in recent reports dissipate, the lack of a broader, more diversified market breadth could leave the index vulnerable to a sharp reversal ¹⁰26].

Key events for the week

Earnings to watch

Core market risks

• Energy Price Shocks: Escalation in the Middle East could trigger a sudden spike in Brent crude, reigniting inflation concerns.
• Earnings Misses: A failure by the “Magnificent Seven” to deliver significant beats could lead to a rapid unwinding of tech premiums.
• Monetary Policy Surprise: An unexpectedly hawkish tone from the FOMC on April 29 could destabilise the current equity rally.

Frequently asked questions

When is the next Fed interest rate decision?

The next FOMC rate decision is scheduled for April 29, 2026, at 18:00 UTC.

Is there a risk to UK stocks from energy prices?

BlackRock has warned that the ongoing energy crisis could negatively impact European and UK equities ¹³.