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.
8 October 2026
Housebuilders eye a Help to Buy-style revivalIt has been a difficult period for the housebuilding sector since the pandemic. Rising inflationary pressures have affected their input costs while the rising borrowing costs associated with the increase in inflation has dampened demand. This has put margins under pressure and hit valuations.
In this context, it is no surprise to see investors...
8 October 2026
How to invest when markets feel too complicatedThe world is becoming increasingly complex. Technology is playing a growing part in our day-to-day lives, whether in the cars we drive or the consumer electronics we use, and that complexity is feeding into financial markets too, with the AI theme and wider technology sector holding a dominant position.
That is somewhat at odds with a key principle...
8 October 2026
Top-performing construction stocks enter a new phase of growthThe UK construction and materials sector may go under the radar with investors but its recent performance warrants closer attention. In recent years, the market has drastically reappraised the potential for these businesses.
They are no longer perceived as poorly managed, low-margin contractors reliant on housebuilding for their revenue but instead...
8 October 2026
Can Raspberry Pi build on its record-breaking results?The UK market is often seen as falling short when it comes to technology. However, while it may not have tech names to rival those in the US or even in Europe there are some notable exceptions.
After a mixed start to life as a public company following its high-profile IPO, Raspberry Pi will have shot to the top of investors’ consciousness after its...
1 October 2026
Bond yields are rising again – here’s why investors should careThe bond market continues to dominate market discourse as yields on government debt have surged to fresh multi-decade highs.
This is putting pressure on equity markets and has heightened concerns around government finances, but what exactly is going on and why is it important to investors?
What is happening?As a reminder, bonds are IOUs issued by...
15 September 2026
Retirees on their shifting pension costs – and what you should considerYou might well allow yourself a satisfied grin if you’ve successfully saved into your pension over the decades, but when we talk about a ‘retirement smile’, we’re discussing something very different.
Instead, this is an attempt to describe the shape of your withdrawals from your pension after you enter retirement. The idea being that you might...
14 September 2026
AJ Bell SIPP investors keep growth in focus as retirement nearsInvesting for retirement is typically a career-long endeavour. Starting out in your 20s and running all the way through to the point at which you’re ready to give up work.
How you invest in your pension during that time will often change as you adjust not only your contributions but also your risk appetite, with some opting to dial down their...
14 September 2026
Johnson Matthey’s major reset: can it deliver for shareholders?For more than a decade, science and technology business Johnson Matthey has flattered to deceive on the stock market. The perceived threat to its catalytic convertors from the shift to electric vehicles (EVs) among the main factors weighing on sentiment.
But the company is now at a big inflexion point. The sale of its Catalyst Technologies business...
10 September 2026
US-Iran war: why the oil price threat has not gone awayWhen the US-Iran war started in late February 2026 some of the warnings about the impact on energy markets were dire – with oil prices expected to spike well above $100 per barrel.
Seen through that lens, the actual outcome six months on has been relatively benign. Oil has flirted with the $100 mark at regular intervals but not traded consistently...
10 September 2026
Sold-out chips, soaring profits: what next for Micron?Memory chip maker Micron Technology has been one of the big beneficiaries of the AI boom but, after a gravity-defying run which saw it become the latest name to hit a $1 trillion valuation, the shares have endured some turbulence of late.
Surging demand for advanced AI data storage chips has pushed the highly cyclical semiconductor industry into a...
