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Month in the Markets: September 2025

A round-up of the latest month in the markets.
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Reading time: 3 mins

The Month in a Minute

Investors finally got their wish with a long-awaited interest cut from the Federal Reserve, as September was dominated by US shares continuing their climb. The result? A strong month for both Wealthify Original and Ethical Plans. Due to the current risk-averse environment, however, the bigger picture is particularly important — and something we’re always keeping an eye on.

A month of gains, but caution remains.

Any month we find ourselves saying “hi” to all-time highs is generally a good month — and September was no different.

In fact, stock markets actually defied the September Effect, which has traditionally seen it be the weakest month of the year for returns.

So, who do we have to thank for bucking the trend?

In a nutshell, AI and rate cuts.

As industry leader, OpenAI, continued to strike infrastructure deals with businesses across the world – including one with fellow behemoth, Nvidia – AI enthusiasm has reached fever pitch.

It’s hardly surprising, therefore, that our US tech fund delivered September’s strongest returns.

Much to the (further) delight of investors, this was bolstered by the Federal Reserve's first interest rate cut since December 2024 — with hints of more to come before the end of the year.

At the time of writing, there’s been a fair bit of talk about a potential tech bubble and market correction. While we’ll have a clearer picture of how things might play out by October’s Month in the Markets, keep your eyes peeled for a dedicated blog about this.

Across the pond with our Emerging Markets and Asia-Pacific funds, gains were driven by Chinese stocks, bets on its AI sector, and fresh government stimulus aimed at boosting the country’s economy.

Closer to home, UK markets also reached record highs, with European ones providing more of a mixed bag; Germany, for example, produced some good returns, whereas France showed some weakness due to political uncertainty.

And, even though markets appeared to shrug off the US government’s shutdown towards the end of the month, it was a reminder about the effects geopolitical issues can have on investments.

Coupled with mounting trade tariff concerns and a higher-for-longer interest rate outlook creating a potential risk-averse environment, we will be keeping a particularly close eye on economic data and inflation, going forward.

Your tax treatment will depend on your individual circumstances, and it may be subject to change in the future.

With investing, your capital is at risk, so the value of your investments can go down as well as up, which means you could get back less than you initially invested.

Wealthify does not provide advice. If you’re not sure whether investing is right for you, please speak to a financial adviser.

  

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