Martin Gamble is Shares and Markets writer at AJ Bell. He was previously the Education Editor of Shares Magazine. He has been with the business since 2019.
Martin graduated from the University of Kent in 1984 with an accounting degree.
He has extensive financial markets experience gained through managing UK and European equity portfolios for institutions including Hermes Investment Management, Manulife Financial and Royal Bank of Canada.
While at Manulife Financial the funds Martin managed were consistently in the top quartile which was recognised with a ‘Stars of Excellence’ award.
Martin subsequently headed up the fund management business for Royal Bank of Canada in London.
Outside of work, Martin likes long distance hiking and playing Backgammon.
13 March 2026
Martin Gamble on US markets: Oracle shines as data storage surge continuesUS markets continued to be volatile this week, buffeted by continued tensions in the Middle East and rising oil prices.
Concerns that the conflict will last longer than expected have put upward pressure on US 10-year government bond yields which moved back above 4.2%, their highest level since mid-January.
Consumer prices remained stable in...
13 March 2026
How Games Workshop became the best performing UK share of the last two decadesWhile most investors grapple with the potential impacts of generative artificial intelligence, Games Workshop, by contrast is a refreshingly simple business.
In fact, the company recently banned employees from using AI in content or designs. Games Workshop is the world’s largest maker of hobby miniatures with two major brands, Warhammer and...
12 March 2026
Data disrupted: How AI is hitting everything from comparison sites to software and analytics firmsIn early February 2026 ChatGPT rival Claude, a large language model owned by Anthropic, released a suite of specialized AI tools which sent a shockwave through certain sectors.
The software space was already under pressure from generative AI which is increasingly writing code. Anthropic CEO Dario Amodei told listeners on a recent podcast that the...
10 March 2026
How to take the temperature of the markets with the Vix indexThe Iran conflict has created considerable uncertainty in the markets for investors to navigate. But how can we take the temperature of the market and compare volatility to where it has been during other periods of turbulence for stocks.
A popular measure used by professional investors is the Vix. You may have seen this referenced in reporting...
6 March 2026
Martin Gamble on US markets: AI chip firm Broadcom shines through the turbulenceUS stock markets were under pressure this week in response to the conflict in the Middle East with most of the losses seen in the benchmark S&P 500 index and the smaller companies Russell 2000 index.
The Nasdaq Composite showed resilience, gaining just under half a percentage point, led by continued support for big technology companies.
Despite the...
6 March 2026
Middle East conflict – what you need to know as an investorThe US and Israel’s attacks on Iran have caused considerable uncertainty for the world and led to unusually large movements across financial markets in a short space of time. While the human cost of any conflict is paramount, as an investor, it’s important not to panic in this situation. In general, shares went down, and oil went up.
The 17% rise...
3 March 2026
Looking for cheap stocks? These two simple formulas can helpIn the same way people love to nab a bargain in the shops, there is real appeal in investing in a company on the cheap. But how do we identify value when it comes to the stock market.
Two simple formulas offer a good starting point – the price to earnings or PE ratio and price to book ratio. The PE is calculated by dividing the stock price by...
27 February 2026
Are weight-loss drugs a threat to the restaurant industry? Are weight-loss drugs a threat to the restaurant industry?The increasing number of people on GLP-1s have worried some investors about the profitability of the restaurant industry. Those on GLP-1s tend to eat less and cut back on alcohol which pulls down spending per head. Desserts and alcohol tend to be higher margin items, which exacerbates the...
27 February 2026
Martin Gamble on US Markets: Why Nvidia’s latest results spooked investorsUS stock markets were relatively flat on the week despite a negative market reaction to results from chip giant Nvidia on 25 February.
After initially rallying in after-hours trading Nvidia shares sank as much as 5.5% when markets reopened on 26 February as investors questioned the sustainability of the AI boom and lofty valuations of technology...
27 February 2026
Discover the stocks powering the rise of the FTSE 100 indexNot so long ago the blue-chip FTSE 100 index was considered a ‘dinosaur’ benchmark, full of ‘old economy’ stocks, but in the last few months its performance has eclipsed both the S&P 500 and tech-centric Nasdaq Composite indices by a wide margin.
In a world of ‘sticky’ inflation where physical assets matter again and the valuation of so-called ‘new...
