New York Stock Exchange traders: We are, according to one finance professor, biologically predisposed to screw up in our investment choices. Photograph: Brendan McDermid/Reuters

Biology is not destiny, but research indicates our genes play a large part in our investment approach.

Report by London Business School says investors' return would have been half that of FTSE

A man walks past a newspaper kiosk advertising Spanish wireless network provider Gowex in Madrid. Photograph:  Andrea Comas/Reuters

Short-selling outfit claims to be motivated by Batman-like desire for corporate justice

Investors shrug off $8.9bn fine

Twitter shares lost a quarter of their value following its last earnings report in May, despite beating estimates. It is not an isolated phenomenon – young glamour stocks are often priced to perfection, putting them under pressure to live up to unrealistic expectations. Photograph: Brendan McDermid/Reuters

With US earnings season about to start, it is no harm to learn how to decipher statements

Traders on the floor of the New York Stock Exchange: many market nuggets are more likely to mislead than to enlighten. Photograph: Jin Lee/Bloomberg

Folk wisdom is full of gems on supply and demand. But beware: they are based on faulty logic

Messi business: Lionel Messi of Argentina celebrates scoring his team’s winner against Iran. Academic studies have shown that there is a big difference between wins and losses, with the latter followed by an increase in heart attacks, crimes and suicides. Photograph: Ronald Martinez/Getty Images

In sport and in trade, it is all about winning and losing – and financial investments are affected by both

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