Androgen exposure: Stock traders with the longest ring fingers made more money, linked to aggression, quick reactions

Reuters reports on a University of Cambridge study:

- Stock traders with the longest ring fingers made more than 3 times money as did their colleagues with the shortest fingers

- Length of ring finger relative to the index finger may be a measure of prenatal exposure to androgens

- Previous research linked ring finger length to aggression, sporting ability, increased confidence and quick reaction times

References:
Size matters for financial trading success: study. Reuters.
Image source: An x-ray showing the bones of the human hand, Wikipedia, GNU Free Documentation License.

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