Cruel summer

Research evidence excerpt

Cruel summer

FICC Research

Economics

17 July 2026

Global Synthesis

The re-escalating US-Iran war is driving up energy prices amid

low inventories, reviving stagflationary risks. Soft June CPI

eased immediate pressures on the Fed, as it and the ECB are Christian Keller +44 (0) 20 7773 2031

expected to hold rates for now. But rate paths remain christian.keller@barclays.com

uncertain. Next data: European PMIs; UK and Japan CPI. Barclays, UK

Akash Utsav

+91 (0) 22 6175 1543

'It's a cruel, cruel summer', the UK girl band Bananarama complained in their 1983 song Cruel akash.utsav@barclays.com

Summer, long before Taylor Swift came out with a song with the same name (not a cover Barclays, UK

version) in 2019. Although Swift's modern synth-pop is quite different from Bananarama's 1980s

post-punk/pop, both songs carry the theme of sweltering summer heat and broken

relationships. Investors this week may relate: they endured hot temperatures alongside

renewed geopolitically induced energy price pressures and sharp sell-offs in semi-conductor

stocks as momentum trades unwound amid heightened nervousness around the broader AI

narrative. It's a cruel summer.

FIGURE 1. Semiconductor stocks dropped sharply this week FIGURE 2. Tanker traffic in the Strait of Hormuz has significantly

slowed again

Semiconductor stock price index Total vessels crossing

15000 Index (bidirectional) 160

11000 100

7000 40

5000 0

Jul-25 Oct-25 Jan-26 Apr-26 Jul-26 Feb-26 Mar-26 Apr-26 May-26 Jun-26 Jul-26

Philadelphia stock exchange semiconductor index

Source: WSJ, Haver Analytics, Barclays Research Source: Bloomberg, Barclays Research

US-Iran war re-escalation pushes energy prices higher

The hostilities between the US and Iran increased significantly this week. As tankers again came