The deal that Warren Buffett's Berkshire Hathaway Inc. and Leucadia National Corp. struck to buy Capmark Financial Group Inc.'s North American mortgage and servicing operations for about $490 million suggests investors are beginning to see prospects for the U.S. property market.

The agreement, announced Wednesday, comes as Capmark seeks to restructure its debt and is looking at options for its business holdings. In an earnings release Wednesday, Capmark said it might seek bankruptcy protection and raised questions about its viability.

"The company's management believes that … substantial doubt exists about the company's ability to continue as a going concern," Capmark said in its report for the quarter ended June 30.

Capmark, which also reported a $1.61 billion quarterly loss as losses on loans, investments and real estate continued to pile up, runs three main businesses: lending and mortgage banking, investments and fund management, and servicing.

The financial services provider has been under pressure since March, when it missed a bridge-loan payment that triggered payments on default-swaps contracts.

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