The cryptocurrency market is notorious for manipulative activity. Investors should stay sceptical.

Is bitcoin back? Below $4,000 (€3,582) just two months ago, the cryptocurrency topped $8,000 on Monday last week after soaring 26 per cent during one (...)

  Apple fell into a bear market last week. Photograph: Lucas Jackson/Reuters

Amazon lost its trillion-dollar crown in October and fell into a bear market shortly afterwards. Last week it was Apple’s turn, with the iPhone maker (...)

Canada is to legalise medicinal cannabis next month. Photograph: Ralph Orlowski/Reuters

Like volatility? Then forget cryptocurrencies and get into cannabis stocks. Canada is to legalise medicinal cannabis next month, a move that has trigg(...)

Although the rhetoric coming from the Trump administration is “pretty wild and heated”, the reality has been “pretty mild”. Photograph: Win McNamee/Getty Images

The escalation in global trade tensions hit stocks last week. Should investors be worried? Certainly, a proper trade war could do real damage. A 10 pe(...)

More than half of respondents believed bitcoin was in a bubble when it was trading at $2,200. A few months later, bitcoin had more than doubled and was trading at $5,300, but fewer people now believed they were witnessing a bubble. Photograph: Sascha  Steinbach/EPA

As US markets raced higher in January, ordinary investors were going gaga for stocks. There were four times as many bulls as bears, according to an Am(...)

Graffiti at the site of the new £355 million Royal Liverpool Hospital, which was being built by Carillion: Many  are to blame for the Carillion debacle, but short sellers are not among them. Photograph: Pat Hurst/PA

There’s no shortage of commentators administering the last rites to bitcoin, which has more than halved recently following a crackdown by internationa(...)

December has traditionally been the strongest month for stocks and money managers will be eyeing another Santa Claus rally. Photograph: Getty Images/iStockphoto

Never mind the five American FAANGs (Facebook, Amazon, Apple, Netflix and Google) – wherever you look, technology stocks are soaring. Last week, Chine(...)

Just as there’s no evidence that a low Vix is bad for stocks, there’s no evidence for the notion the current momentum reflects some unsustainable advance. Photograph: Brendan McDermid/Reuters

The Dow Jones Industrial Average did something last Thursday it hadn’t done for almost two weeks – it declined, ending a run of nine consecutive daily(...)