Wall Street Roundup: Goldman friends Facebook. Prepping for WikiLeaks.

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Gold: Trading now at $1,419 per ounce, down 0.2% from Friday. Dow Jones industrial average: Trading now at 11,696.75, up 1.0% from Friday.

A good start. The markets started the year with a bang, thanks to some good data from the manufacturing sector.

Goldman friends Facebook. Goldman Sachs is investing $500 million in Facebook in a deal that values the social networking company at $50 billion.

Prepping for WikiLeaks. Bank of America has been preparing furiously for WikiLeaks to make good on its threat to release a trove of documents from the company.

From Wall Street to Washington. President Obama appears to be homing in on a replacement for Larry Summers, his chief economic advisor. The fact that all the candidates have extensive Wall Street ties is creating problems for the president.

-- Nathaniel Popper in New York