Wall Street Roundup: Holding one banker hostage. A Madoff market.

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Gold: Trading now at $1,398 per ounce, up 0.1% from Monday. Dow Jones industrial average: Trading now at 11,495.84, up 0.6% from Monday.

Austerity measures, luxury edition. While banking profits are generally up, Wall Street bonuses are likely to shrink this year leading some to cut back on their luxuries: Brown-bag lunch on your private jet, anyone?

Holding one banker hostage. Stephen Colbert staff members found the credit card of a Goldman Sachs partner, and the comedian is promising to read off one digit each night until the partner comes on air to discuss bonuses.

Goldman’s reforms. Goldman Sachs is coming to the end of an exhaustive review of company policy in the wake of being sued by the government. The changes being looked at, though, are unlikely to rock the firm, according to early leaks.

A Madoff market. Some firms are investing in victims of Bernard Madoff, betting on the estate’s future returns.

Mourning a Madoff. A Facebook page has sprung up to honor Madoff’s son, who committed suicide over the weekend. Not all entries are respectful.

-- Nathaniel Popper