Raging young bulls lead to risky business

HORMONAL fluctuations in young men might be to blame for unstable financial markets, researchers say.

It’s been shown before that endogenous cortisol is associated with real life market uncertainty, and that testosterone levels are linked to the profits of professional financial traders.

Laboratory experiments with exogenous hormones administered to healthy young men have shown that increasing cortisol and testosterone influences their willingness to take greater financial risks.

Researchers administered hydrocortisone 100mg or placebo to 34 men, and testosterone (three doses of