Wall Street Roundup: A productive mole. A Madoff endures.

Gold: Trading now at $1,384 per ounce, up 0.4% from Friday. Dow Jones industrial average: Trading now at 11,462.86, down 0.3% from Friday.

Accounting errors. New York's attorney general is said to be preparing charges against Ernst & Young for its role as Lehman Brothers' accountant, which immediately raises the question, who's next?

A productive mole. The Wall Street Journal reports that a former technology analyst for Wells Fargo has been prolific in his cooperating role with government prosecutors in their crackdown on insider trading.

State budget breakdown. The growing risk of a municipal meltdown has become enough of a threat to warrant the "60 Minutes" treatment Sunday night.

A Madoff endures. A look at Andrew Madoff, the younger of Bernard's two sons, who survives his older brother's suicide and looks to carry on with piano lessons, cooking and cycling.

-- Nathaniel Popper