About the expert

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.

Latest articles from Martin Gamble

  • 10 October 2026

    The rise of US dominance and risk of concentration

    The US stock market now accounts for almost three quarters of global indices, representing an unprecedented level of dominance.

    This reflects the fact that US markets have outperformed, but it also means global indices have become increasingly lopsided.

    One of the key benefits of using global indices is they invest across thousands of companies...

    5 min read
    Author
    USA flag
  • 9 October 2026

    Martin Gamble on US markets: SpaceX’s debt raise, JPMorgan, PepsiCo

    US markets touched new highs this week before retracing slightly as oil prices and bond yields remained elevated.

    The domestically-focused smaller companies Russell 2000 index, which is sensitive to higher borrowing costs, continued to lag the major indices and is down around 9% since the middle of August.

    September’s services PMI (purchasing...

    5 min read
    Author
    Stock Exchange
  • 9 October 2026

    Wider credit spreads: Warning sign or buying opportunity?

    Stock markets often grab all the headlines, but savvy investors know the bond market should not be ignored as it can provide early warnings of investor anxiety.

    A key indicator to understand is the ‘credit spread’ which measures the extra yield that investors demand to lend money to companies, rather than governments.

    Recently, spreads on both...

    5 min read
    Concerned lady
  • 8 October 2026

    Meta’s looks to AI bets to power the next phase of growth

    Once known as Facebook on the stock market, Meta’s change of name encompasses its evolution from a social media company into an advertising and artificial intelligence infrastructure giant.

    With billions of users across Facebook, Instagram, WhatsApp and Messenger, the company is investing heavily in AI and virtual reality technologies to drive...

    6 min read
    Shares magazine
    Meta logos
  • 8 October 2026

    Worried about rising rates? These UK stocks offer generous dividends and growth

    UK 10-year bond yields have reached their highest levels since 2007, while longer-term yields rose to their highest since 1998. When government bonds offer investors more than 5% the stock market has a potential problem.

    That’s because rising bond yields represent increasing competition for investors’ money. Higher yields also put pressure on stock...

    5 min read
    Shares magazine
    The London Stock Exchange
  • 2 October 2026

    Martin Gamble on US markets: Micron beats, Nike slumps

    US stock markets struggled this week against the stiff headwind provided by a bond market sell-off, which saw 10-year Treasury yields rise to 5.4%, their highest levels since the start of the century.

    The Federal Reserve’s preferred inflation gauge, PCE (personal consumption expenditures) came in lower than expected with the core measure landing at...

    6 min read
    Author
    GI-Third-Point-Wall-street.jpg
  • 25 September 2026

    Martin Gamble on US markets: Meta charms, Costco beats

    US markets were mixed this week with the technology-led Nasdaq Composite scaling a new all-time high while the smaller companies Russell 2000 index fell as bond yields rose.

    US 10-Year bond yields moved higher to 5.3% following the release of stronger than expected preliminary readings from the S&P Global composite index of economic activity, which...

    5 min read
    Author
    Statue of bull on Wall Street
  • 24 September 2026

    What are the UK’s most discounted cash-generating shares?

    This article looks at UK companies which are generating a lot of cash in relation to their share price. Often referred to as free cash flow yield, this overlooked metric is becoming more important in a world of higher interest rates.

    With UK 10-year bond yields rising by 0.8% since the start of the year to around 5.2%, investors can earn a higher...

    5 min read
    Image of City of London
  • 23 September 2026

    Discover the UK market’s inflation-busting dividend growers

    Dividends play a crucial role in wealth creation. A study by Hartford Funds showed they contribute almost half of shareholder total returns (share price gains plus dividends) over the long run.

    Some of the best shareholder returns are generated by companies that can consistently grow dividends ahead of inflation. These tend to be high-quality...

    5 min read
    Couple looking at laptop screen