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Impact of Labour's landslide election win on financial markets

Overnight, the Labour Party triumphs with a landslide win, installing Keir Starmer as the UK's new Prime Minister. What implications might this have on the British stock market?

Impact of Labour's landslide win on the financial markets explained
Impact of Labour's landslide win on the financial markets explained

Impact of Labour's landslide election win on financial markets

The UK's economic landscape is poised for change, with several key factors shaping the future.

According to Jason Hollands, managing director at Bestinvest, a rate cut from the Bank of England is imminent, as inflation is now under control. Hollands predicts that rates could fall as low as 3% by the end of next year. This prospect, along with the Bank of England's next meeting scheduled for 1 August, has many economists expecting a rate cut at this or the following meeting in September.

The Labour election victory has also had a significant impact on the UK's stock market. Since the win, the FTSE 250, which tracks mid-cap UK companies, has generally outperformed the FTSE 100, which tracks the largest 100 UK companies. This is due to the FTSE 250's higher exposure to more domestic-focused and growth-oriented companies. While the FTSE 100's annual increase in 2025 was about 11.6–11.9% by September, the FTSE 250 also gained and often shows more volatility and higher returns in such political cycles.

Keir Starmer, potential future leader of the UK government, has expressed a commitment to delivering economic stability. He and his potential partner, Rachel Reeves, have also voiced support for a pro-growth, pro-business approach. This could potentially benefit sectors such as UK housebuilders, building materials firms, and renewable energy infrastructure companies, given Labour's commitments to build new homes and invest in the green economy.

However, Labour may face challenges in managing public spending. Paul Dales, chief UK economist at Capital Economics, mentioned that Labour has pledged to follow similar fiscal rules to the Conservatives, with little scope for significant increases in spending or tax cuts. Dales also noted that Labour may need to address a potentially implausible projected path for public spending, which could lead to higher taxes than outlined in its manifesto.

John Stepek, former executive editor of our website, stated that economic data is more influential in moving markets than political decisions. This suggests that while political shifts can influence investor sentiment, it is the economic data that ultimately drives market movements.

In conclusion, the UK's economic landscape is brimming with anticipation. With the prospect of interest rate cuts later this year and a new government committed to economic stability and growth, the equity markets are expected to have a positive impact. However, challenges in managing public spending may present obstacles that the incoming government will need to navigate carefully.

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