Angelo Marca Antonio, a trader in the Sao Paulo office of J.

ECONOMIST: Latin America��s stockmarkets

According to a banker with a close knowledge of Mr Adoboli's alleged activities, one reason why UBS failed to identify the unauthorised deals till Wednesday was that Mr Adoboli had a close knowledge of UBS's back office or administration procedures: he previously worked in the back office before becoming a trader.

BBC: UBS loss 'came from lots of small trades over months'

Less than two years after Enron was formed, a trader in the company's Valhalla office lost hundreds of millions of dollars betting the wrong way on crude oil.

FORBES: Magazine Article

Strikingly, he has not said that these transactions, carried out for JPMorgan's own benefit (or disbenefit, as it turns out) through its chief investment office, were unauthorised or down to a putative "rogue trader".

BBC: JPMorgan��s loss may cost all banks

And we face challenges in a global marketplace that link the trader to Wall Street to the homeowner on Main Street, to the office worker in America to the factory worker in China -- an economy in which we all share in opportunity, but we also share, unfortunately, in crisis.

WHITEHOUSE: President Obama Kicks Off "Educate to Innovate"

The FBI's Los Angeles office is investigating allegations that a former KPMG senior partner passed inside information to a share trader.

BBC: KPMG quits audit roles over insider trading allegations