The team measured steroid levels of the traders at 11 00 a.m. and 4 00 p.m. each day, times that bookend most market activity.
At the beginning and end of each working day, Coates and Herbert measured the testosterone levels of each trader (before you ask, they did so by taking saliva samples).
Thus, at modest levels, the willingness of traders to buy and sell from the rest of us gooses confidence.
Movements in index prices often affect the level of profits traders can generate.
The SEC can mandate that unique IDs are tied to every order entered into the market, preferably at the level of the trader who is entering it, but at the very least at the firm-level.
Researchers began their study by testing levels of cortisol in London traders who were responding to erratic markets over a period of eight days.
John DiBacco told the court he was "surprised" at the levels of risk taken by London traders against those in New York, where he formerly worked.
Even more significantly, Coates and Herbert found that when traders' morning levels of testosterone were higher than normal, they made higher profits than days when they started off with low levels.
The issue of slavery in particular would also reflect the greater levels of trade by Arab slave traders (including the seizing of English citizens for slaves from the south-west), the role of African tribes in the trade and [William ] Wilberforces world-leading abolition campaign".
