This Week in Review | Oil Prices, UK Politics, Tech Stocks (June 26, 2026)

The economy and markets can feel dizzying and ever changing. That’s where we can help. Fisher Investments’ “This Week in Review” is a weekly segment designed to highlight a few things you may have missed this week, what they could mean for financial markets and why they matter to investors like you. This week, Fisher Investments reviews: • Oil price changes • The UK Prime Minister resignation • Tech stock pullback Below are the sources for all data cited in today’s show: 1. Source: MarketWatch, as of 6/26/2026. Brent Crude continuous contract, 1/1/2026 – 6/25/2026. 2. Source: MarketWatch, as of 6/26/2026. Brent Crude continuous contract, 1/1/2026 – 6/25/2026. 3. Source: FactSet, as of 6/25/2026. S&P 500 Total Return Index, 12/31/2025 – 6/25/2026 4. Source: MarketWatch, as of 6/26/2026. Brent Crude contracts for monthly delivery for August 2026 – April 2027, 1/1/2026 – 6/25/2026. 5. Source: Wall Street Journal, as of 6/26/2026. “U.K. Prime Minister Keir Starmer Resigns Amid Labour Party Rebellion,” 6/22/2026. 6. Source: FactSet and MarketWatch, as of 6/25/2026. MSCI UK Price Returns Index and UK 10-Year Gilt Yields 6/22/2026 – 6/25/2026. 7. Source: FactSet, as of 6/26/2026. Nasdaq Price Return Index, 6/22/2026 – 6/25/2026. 8. Source: Wall Street Journal, as of 6/26/2026. “The AI Price War Is Here, Piling Pressure on OpenAI and Anthropic”, 6/11/2026. Want to dig deeper? • A closer look at how the UK’s leadership transition may affect markets: https://www.fisherinvestments.com/en-us/insights/market-commentary/revolving-door-turns-uncertainty-starts-falling • What Iran developments mean for oil prices: https://www.fisherinvestments.com/en-us/insights/market-commentary/a-market-perspective-on-iran-truce-whisperings#_ednref1 Have feedback for this Fisher Investments video? Share your thoughts on this episode in just 1 minute by filling out this survey: https://fi.co1.qualtrics.com/jfe/form/SV_6Vw1ezlogR044S2?VideoCode=WeekInReview19Jun2026 Connect with Fisher Investments on: • Facebook - https://www.facebook.com/FisherInvestments • X - https://twitter.com/fisherinvest • LinkedIn - https://www.linkedin.com/company/fisher-investments • Instagram - https://www.instagram.com/fisher.investments/ • TikTok - https://www.tiktok.com/@fisher_investments You can also follow Ken Fisher here: • Facebook - https://www.facebook.com/KenFisher.FisherInvestments • X - https://twitter.com/KennethLFisher • LinkedIn - https://www.linkedin.com/in/ken-fisher/ • Instagram - https://www.instagram.com/kenfisher_fisherinvestments/ Investing in securities involves a risk of loss. Past performance is never a guarantee of future returns. Investing in foreign stock markets involves additional risks, such as the risk of currency fluctuations. The foregoing constitutes the general views of Fisher Investments and should not be regarded as personalized investment advice. Nothing herein is intended to be a recommendation. The opinions expressed are subject to change without notice.