Currency traders, confident that interest rates would not rise while inflation hovers at only 1%, bet against the Canadian dollar and drove it to a series of record lows in July.

ECONOMIST: The Canadian dollar

The cash deal is a sign Santander is confident despite the concerns among bond traders about state finances in several European economies, including Spain, Greece and Portugal.

FORBES: Santander's Bullish Bet on Mexico

And when margin requirements drop, the traders pile into their oil speculations confident that they can borrow enough to limit their downside while boosting their upside opportunity.

FORBES: Connect

Traders have shrugged off this outperformance in the shares and are confident that the stock is due for a sharp pullback.

FORBES: Magazine Article

Known as sociable and confident, Mark Madoff often went out with his trading colleagues and hit the circuit of conferences where traders met to talk about how stocks were bought and sold.

WSJ: Mark Madoff and the Fraud's Burden