The Aim market of mostly smaller companies has traditionally been seen as a bit of a backwater. Is it time to change that view? Matthew Partridge talks to Paul Latham and Richard Power of fund management company Octopus.

Fidelity has introduced two tracker funds with no fees at all. Other industries will adopt a similar model. But how can you make a profit when the price of your product has fallen to zero?

As Elon Musk surprises investors – and possibly the SEC – and Turkey’s woes worsen,John Stepek looks at what the charts that matter most to the global economy make of the week’s events.

Turkey’s currency is crashing, its debt is spiralling out of control, and foreign investors are deserting the country. If things get worse, says John Stepek, it could spark wider trouble.

MoneyWeek’s comprehensive guide to the best of this week’s share tips from the rest of the UK’s financial pages.

Professional investor Nick Greenwood of selects three investment trusts that are trading at a discount to buy now.

Indra Nooyi is stepping down after 12 years as head of PepsiCo. She has kept the company intact – but can her successor? Alice Gråhns reports.

Pharmaceutical giant AstraZeneca is expected to grow its earnings, while outsourcer Mitie’s share rice has been hit by a series of profit warnings.

Turkey’s problems are going from bad to worse. Inflation is running at almost 16%, a 15-year high; faith in the government has deteriorated; and the currency has fallen by about 28% against the US dollar.

Companies are buying back more of their own shares than ever before. That’s not a healthy sign, says John Stepek.

The price of copper has slumped by 18% in the past year it –  a worrying sign for the global economy.

The UK housing market is in the doldrums, but commercial property still has a lot to offer, says Max King.

The asset manager has launched free tracker funds in a bid to beat its competitors, says Sarah Moore.

It’s not just eccentric and ultra-rich tycoons heading into space. From asteroid mining to space hotels, promising profit opportunities now lie off-planet. Set your sights on the stars, says Stephen Connolly.

The top of the market is often heralded by a high-profile, complex and controversial deal. Elon Musk taking Tesla private could just be it, says John Stepek.