But most traders act simply as toll takers.
Yesterday was even more confounding, since investors and traders were acting contrarian.
In medieval times traders would typically act through civil law constructs, such as partnerships.
Before traders acted to close out their short positions yesterday, the dollar fell in response to the Government's report on March unemployment.
In dual trading, traders sometimes act on behalf of customers and sometimes for themselves.
Germany's interest rate cuts yesterday should have been good news for the American bond market, but investors and traders did not act like it was.
Executives said the trader acted alone and that he may not have benefited directly from the fraudulent deals.
One is related to the economy, the other to the way traders act.
Free trade is a trade policy that allows traders to act and transact without interference from government.
Three other local traders from pre-war times had also acted as careful vicars of Bray until 1922.