The length of a man's fingers may predict his success in the City, research findings suggest.
Scientists at Cambridge University found that financial traders whose ring fingers are longer than their index fingers make the most money. The link could be down to testosterone exposure in the womb, Proceedings of the National Academy of Sciences says.
This exposure may improve rapid decision-making skills and has been linked with aggression. The same ring-to-index finger ratio, which is determined in the womb, has previously been associated with success in competitive sports.
Researcher John Coates and his team reported last year that testosterone seemed to boost short term success at finance after they found City traders with higher levels of the male hormone in the morning were more likely to make an unusually big profit that day.