About the expert

Tom Sieber is AJ Bell's Content Editor. He was previously the Editor of Shares Magazine. He has been with the business since 2012.

Tom is a regular contributor to the AJ Bell Money & Markets podcast and a stock market analyst for AJ Bell. He has also chaired and presented at various AJ Bell events – both online and in person.

Covering a variety of different sectors including resources and media, he has been a journalist for nearly two decades and has written about investing since 2007. Tom has a degree in History from Bristol University and a post-graduate diploma in Print Journalism from the University of Central Lancashire.

He has an interest in politics and economics that can be traced back to trip to the UN headquarters in New York as a UN Young Ambassador at 16, and is passionate about demystifying the financial markets and providing genuinely useful insights to help people with their investing.

Outside of work, Tom is a keen runner, although his days of completing half marathons and marathons may be behind him! He's also a big cinema fan.

Latest articles from Tom Sieber

  • 8 October 2025

    How does your Lifetime ISA match up to the average UK house deposit?

    The Lifetime ISA has transformed the way many people take their first step on the housing ladder. According to HMRC, 56,900 account holders withdrew cash from their Lifetime ISA to purchase their first home in the 2023/24 tax year, with the average value of withdrawals up 8% year-on-year to just short of £15,000.

    Lifetime ISA recap

    The Lifetime ISA...

    4 min read
    Couple buying a house
  • 16 May 2025

    Surprise 90-day trade truce sparks tech rally

    A surprise 90-day trade war truce between the US and China and walkdown on tariffs (12 May) put a rocket under stocks this week, sending the benchmark S&P 500 index up 4.5%.

    Technology stocks led the gains with the Nasdaq Composite index gaining more than 6% on the week despite bonds selling off with the 10-year treasury yield briefly climbing...

    5 min read
    Container ship terminal
  • 14 March 2025

    US stocks enter ‘correction’ territory while Tesla crashes

    Another turbulent week on Wall Street saw one trillion dollars wiped off the value of the Nasdaq 100 on Monday (10 March), with the index registering its biggest one-day fall since October 2022, while the S&P 500 suffered its worst fortnight in two years with back-to-back weekly losses of more than 3%, entering ‘correction’ territory.

    Markets...

    5 min read
    man-charging-electric-vehicle.jpg
  • 7 March 2025

    Tariffs spark tech sell-off as Klarna plots $15 billion IPO

    Investors on Wall Street were affected by uncertainty over president Donald Trump’s trade policy this week.

    After initially announcing immediate broad-based tariffs on neighbouring countries Canada and Mexico, exemptions for carmakers were introduced before other industries were given respite amid suggestions tariffs could be rolled back entirely.

    ...
    1 min read
    us-flag-and-wall-street-sign.jpg
  • 28 February 2025

    US markets slump on Nvidia and tariff threat

    It was a tough week for US markets and technology stocks in particular as concern about tariffs mounted and Nvidia's latest earnings failed to impress.

    Big losses for the Nasdaq Composite put the tech-heavy index in the red for the year, while the Dow Jones Industrial Average, which has a lower weighting towards the sector, traded only modestly...

    1 min read
    red-down-arrow-on-dollar-bills.jpg
  • 7 February 2025

    Calm returns to US markets after Trump tariff threat

    The popular perception among most investors at the start of 2025 was that Donald Trump’s bark was worse than his bite – in other words, some of the more outlandish promises he made on the hustings were unlikely to translate into actual policies.

    Three weeks after the inauguration, that assumption has already been tossed out of the window as one...

    1 min read
    tariff-explanation-in-dictionary.jpg
  • 31 January 2025

    Markets recover after DeepSeek jolt as Fed keeps rates on hold

    The Nasdaq Composite and benchmark S&P 500 indices were knocked-off course this week by a relatively unknown Chinese AI (artificial intelligence) upstart DeepSeek, which has developed a LLM (Large Language Model) for a fraction of the cost of traditional AI models.

    Semiconductor chips stocks and AI-related energy names saw heavy selling as...

    1 min read
    cruise-ship-docked-in-st-lucia.jpg