An information board shows the decline of the German DAX to a one-year low at the stock exchange in Frankfurt: Germany’s stock markets, among other international markets, have fallen into bear markets. Photograph:  Christoph Schmidt/EPA

It has been a torrid week for global stock markets. Indices everywhere have been pummelled and volatility has gone through the roof on foot of mountin(...)

Proinsias O’Mahony takes a look at the ups and downs of the stock market (...)

Google’s Sundar Pichai: it appears that seemingly minor details, ranging from a person’s economic background to whether or not he has a daughter, can be predictive of a chief executive’s tenure

New Google chief executive Sundar Pichai is Indian, comes from a humble background, is married, and has a daughter and a son. Readers might ask: so wh(...)

Analysts at Bank of America Merrill Lynch recently changed their recommendation for Apple stock from “buy” to “neutral,” and lowered their target share price from $142 to $130. Photograph: Andrew Burton/Getty Images

What’s up with Apple? Everyone seems to be freaked out by Apple’s falling share price. Should they be? The recent 15 per cent correction has been swif(...)

How will markets go? Forecaster Robert Prechter warned that the Dow Jones would fall below 1,000 in 2010 – it has spent most of 2015 around the 18,000 level. Photograph: Jin Lee/Bloomberg

Market forecasting is a tricky business, with countless studies indicating we should be sceptical towards those who purport to know what the future ho(...)

The growth rate in Twitter users has fallen in every quarter since Twitter’s market debut 21 months ago.

Last week was another lousy one for Twitter. The stock plunged 14 per cent following its earnings report, and is now almost 60 per cent below December(...)

Traders on the floor of the New York Stock Exchange: if markets are going up, it’s better to put your money to work right away to take full advantage of the market growth. Photograph: Reuters/Lucas Jackson

You’ve got a lump sum of money to invest but you’re nervous that international stock markets, trading near all-time highs after six years of strong ga(...)

European equities have soared since Greek tensions faded. Photograph: Oli Scarff/Getty Images

Investors are holding more cash than at any time since the Lehman panic in December 2008, according to Merrill Lynch’s latest monthly fund manager (...)

 A pedestrian passes a display showing Chinese stock at a securities office in Tokyo, Japan. Photograph: Kimimasa Mayama/EPA

Proinsias O’Mahony takes a look at the ups and downs of the stock market (...)

A man enters the old stock exchange building in central Athens. Greek stocks have suffered an almighty collapse, falling by 85 per cent since 2007. Photograph: Jean-Paul Pelissier/Reuters

A lousy stock market is the least of the problems facing Greece at the moment, although the country’s long-running debt crisis has certainly hurt dome(...)