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

  • 28 January 2026

    Why are small caps beating large caps and can it continue?

    Since the middle of November 2025, the small cap Russell 2000 index has returned around 15%, more than double the gain of its larger brethren, the benchmark S&P 500 and the technology-focused Nasdaq Composite indices.

    This is not just a US phenomenon but has an international dimension. For instance, the MSCI Global small cap index has also...

    4 min read
    A speed boat moving towards two freighters
  • 24 January 2026

    Which big UK stocks have grown their dividends the most?

    For many investors dividends are a good source of income, but they can also be a good source of capital growth. Long-term studies have shown that dividends have contributed more than half of the stock market’s total return.

    This shows that reinvesting dividends is crucial for maximising shareholder returns and compounding wealth. Even for investors...

    4 min read
    Author
    Crown post in central London
  • 23 January 2026

    Martin Gamble on US markets: Kraft Heinz, Netflix, Procter & Gamble

    What was shaping up to be a disaster of a week for US indices, curtailed by Martin Luther King Day, turned out instead to be at worst mixed.

    President Trump’s threats to impose tariffs on European countries over Greenland and hints at the use of military force to acquire the territory if it wasn’t possible to do so by other means put markets on...

    5 min read
    Building exterior with Heinz ketchup bottle
  • 21 January 2026

    How short sellers may have amplified WH Smith’s recent gains

    When a company which is being targeted by short sellers unexpectedly announces good news, it can spark a big rally in the share price as these investors scramble to ‘cover’ their positions.

    This additional buying pressure can lead to a bigger share price move than otherwise expected.

    This was potentially evident with WH Smith recently after a well...

    4 min read
    a WHSmiths shop at an airport
  • 18 January 2026

    What to expect from big tech as AI fever subsides

    Six of the so-called ‘Magnificent Seven’ are set to report their earnings between the last week of January and the first week of February. Combined these companies add up to a combined $17 trillion of market valuation – or around 30% of the entire value of the US market’s flagship S&P 500 index.

    The mood music feels like it has already shifted from...

    4 min read
    Shares magazine
    Outside the Microsoft headquarters in Washington
  • 17 January 2026

    How to screen for the very best companies

    Just as when you’re buying a new jacket or set of kitchen knives, paying attention to quality when you are investing in a company’s shares is often a decision which can pay off in the long term. With this in mind, we are exploring how you can go about identifying some of the UK’s very highest quality companies.

    While there is no generally accepted...

    8 min read
    Shares magazine
    Hand picking a star from five gold stars
  • 16 January 2026

    Martin Gamble on US markets: Netflix, banks’ earnings

    This week got off to an inauspicious start after the Justice Department served Federal Reserve chair Jerome Powell with a subpoena, threatening a criminal indictment.

    In a highly unusual turn of events Powell gave a public statement and video where he accused the administration of political pressure and putting the independence of the Fed under...

    5 min read
    wall street sign
  • 15 January 2026

    Why UK bank shares have soared in recent years

    The UK banking sector has delivered strong price returns to investors over the last five years, averaging 218% compared with a 50% gain for the blue-chip FTSE 100 index.

    On a total return basis, including dividends, the sector has chalked up 279%, making it the second-best performing sector in the FTSE 350 index after the aerospace and defence...

    10 min read
    Shares magazine
    UK high street banks