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FTSE 100 futures edge up as Fitch keeps UK at AA- and commodities firm

FTSE 100 futures edge up as Fitch keeps UK at AA- and commodities firm
Markets · 2026
Photo · Eleanor Whitfield for Daily Digest Invest
By Eleanor Whitfield Markets Editor-in-Chief Aug 17, 2026 4 min read

UK stocks are poised for a firmer start to the week, with FTSE 100 futures up 0.2% in early trading. The modest gain comes as rating agency Fitch reaffirmed the UK's credit rating at AA- with a stable outlook, and as commodity prices—including oil, gold, and copper—ticked higher.

For everyday investors, the futures move points to a positive open for London's blue-chip index, though the gain is small and follows a weaker session on Friday. The FTSE 100 ended last week lower, dragged down by mining stocks as copper prices slipped. Monday's bounce is partly a rebound from that softer close.

Fitch's rating: a vote of confidence

Fitch's decision to keep the UK at AA- with a stable outlook is significant. A credit rating reflects how likely a country is to repay its debts, and AA- is a high grade, indicating low risk. The 'stable' outlook means Fitch does not expect to change the rating in the near term.

This is a reminder that, despite economic headwinds, the UK is still seen as a reliable borrower. That matters for investors because it affects the interest rates the government pays on its bonds, which in turn can influence borrowing costs for businesses and households. A stable rating helps keep UK government bond yields in check, supporting investor confidence.

The rating comes at a time when domestic data points to a cooling economy. Property website Rightmove reported that asking prices for newly listed homes saw their biggest August drop since 2018, a sign that the housing market is softening. Meanwhile, the CIPD, a professional body for HR, found that employers remain cautious about hiring, suggesting the jobs market is losing momentum.

These signals are mixed for the broader economy, but the FTSE 100 is heavily weighted towards international companies, so its performance is often more tied to global factors than to UK domestic conditions.

Commodities lend support

Higher prices for oil, gold, and copper are helping to lift the index. The FTSE 100 includes major mining and energy companies, so when commodity prices rise, those stocks tend to benefit.

Oil prices have been supported by ongoing supply concerns, while gold often gains when investors seek safety or when expectations for interest rate cuts grow. Copper, a key industrial metal, is seen as a barometer for global economic health, and its recent strength suggests some optimism about demand.

However, copper's path has been uneven. After a rally, prices paused recently as supply tightened, and investors are watching to see if the metal can sustain its gains. For UK investors, the performance of miners like Antofagasta is closely tied to copper prices, so any swings in the metal can move the index.

What it means for investors

For those with money in UK stocks, the firmer open is a positive, but it's not a dramatic move. The 0.2% rise in futures suggests a cautious start, with investors weighing the supportive rating and commodity strength against signs of a slowing domestic economy.

The FTSE 100's global exposure means that international developments—such as moves in Asian markets or shifts in copper prices—can have as much impact as UK news. Investors should keep an eye on commodity markets and global sentiment, as these often drive the index more than domestic data.

Looking ahead, the key question is whether the UK economy can avoid a sharper slowdown. The housing market weakness and cautious hiring are warning signs, but a stable credit rating provides some reassurance. For now, the market seems to be taking a 'wait and see' approach, with the firmer open reflecting a modest improvement in sentiment rather than a major shift.

As always, it's important to remember that short-term market moves are normal. A 0.2% rise in futures is a small signal, and the actual open could differ. Investors should focus on their long-term goals rather than reacting to daily fluctuations.

In the coming days, watch for any updates on commodity prices, especially copper and oil, as well as any new economic data from the UK. These will likely be the main drivers for the FTSE 100 in the near term.

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