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.
12 November 2025
Where do I start with constructing a well-rounded portfolio?For most people, putting together a diversified portfolio of investments is their best route to achieving their financial goals. A well-constructed portfolio can smooth investment returns, making it easier to stay invested over the longer term.
The first part of the article discusses spreading risk in relation to broad asset types while the second...
12 November 2025
Learn about GSK spin-off Haleon’s big growth strategyAnybody invested in UK pharmaceutical giant GSK three years ago will have received shares in corporate spin-off Haleon when it was demerged. Assuming they still hold them; what has the company done to persuade them of its credentials as a standalone investment?
HaleonKey stats:
Share price: 357.9p Market cap: £32.5 billion 12-month forecast...
10 November 2025
How to pick an ETF and a tracker fundAn investment journey should start by defining your investment goals, time frame and attitude to risk. That applies to any type of investment, whether it is ETFs, tracker funds, bonds or even individual stocks.
Once you’ve established those points, you can think about where you would like to invest.
Someone new to investing starts with a blank...
7 November 2025
What to expect from Berkeley amid London housing pushInvestors will hope for few surprises when Berkeley Group reveals first half results on 10 December given the UK housebuilder reaffirmed full-year profit guidance as recently as 5 September.
Berkeley expects to deliver £450 million of pre-tax profit for the year to 30 April 2026 after reporting stable trading in the current year to date.
Pre-tax...
7 November 2025
Amazon's new record and resilient McDonald's: what's happened on the US market this weekUS markets were lower this week as investors questioned the sustainability of the AI technology boom and high valuations of key stocks.
The slowdown in the broader market did not stop the continued stream of AI-related deals.
Amazon announced a multi-year strategic partnership with OpenAI valued at up to $38 billion to supply cloud infrastructure...
6 November 2025
Using passive funds to invest in bondsIt is easier than you might think to invest in bonds via passive investment products such as tracker funds and ETFs (exchange-traded funds).
Bonds are popular with individuals looking to generate income. They are lower-risk investments and can either be bought as individual products or bundled together inside funds.
There are a few reasons why...
31 October 2025
US stocks shrug off Fed uncertainty to make progress, Amazon stands outOverall, it was a positive week for most US indices despite the latest decision from the Federal Reserve injecting a dose of uncertainty into the markets.
The one big exception to a story of steady progress for stocks across the Atlantic was the small- and mid-cap Russell 2000 which retreated amid some evidence of pressure on the US economy.
Fed...
24 October 2025
US markets recover, Tesla margins in reverse, Netflix faces Brazilian hitUS markets recovered from a rocky middle of the month on concerns about private credit to make solid progress over the past week.
This progress was somewhat interrupted by concern about renewed tensions between the US and China over trade ahead of a deadline which could see additional tariffs introduced at the beginning of next month.
The tone is...
17 October 2025
Banking stocks and United Airlines: what’s happened on the US market this weekAs the US government shutdown entered its second week, there was little in the way of macro-economic news apart from the release of the Federal Reserve’s Beige Book.
The Beige Book is a qualitative assessment of economic conditions, published eight times a year and the latest report showed US economic activity was flat in recent weeks with overall...
10 October 2025
AI stocks, Tesla, Pepsi and Delta: what’s happened on the US market this weekUS stocks marched to new record highs this week despite the government shutdown, spurred on by further AI excitement as chip maker Advanced Micro Devices inked a chip supply deal with ChatGPT owner OpenAI.
The multi-year deal is expected to bring in billions of dollars in annual revenue and gives OpenAI an option to buy up to 10% of the chipmaker.
...
