With final bids for Prudential Insurance Company of America's home mortgage unit due today, the market is rife with speculation about who will buy what part of the largest home mortgage company ever put on the auction block.

According to sources close to the deal, the unit is likely to be broken up and sold in pieces. The company is so diverse, many in the industry say, that it would be difficult for one buyer to successfully integrate every unit into an existing company.

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