Pick up almost any business publication or newspaper and you will read someone's deep thoughts about the oil price, plus a multitude of predictions about where it will go next.
The FTSE 100 has fallen a further 1.5% this morning, taking losses for the week to over 5%, as investors continue to fret over a plunging oil price and latest developments in the eurozone.
With developed economies flirting with deflation, central banks will likely regard the oil price slump as troublesome. M&G's Jim Leaviss explains how short-term deflation could turn to long-term growth boost.
James Henderson has added a small stake in Tesco to his Lowland investment trust, after shares plunged 15% following the supermarket's third profit warning in four months.
Negative sentiment towards Europe's economic prospects has caused valuations in many cases to become very attractive, says Barings' Nick Williams.
Star managers, body language, and the oil price panic
The rapidly falling oil price is creating the perfect environment for a 'disinflationary boom' in asset prices, according to the managers of the Ruffer investment company.
Acknowledging that the forecasting consensus has missed many of the big stories of recent years, analysts at HSBC have attempted to outline the biggest potential risks for investors in 2015.
The steep fall in the oil price could damage growth and dividend prospects for some of the UK's biggest stocks, adding to managers' concerns over the outlook for the wider market.