Diversified financial-services stocks finished a volatile week with declines on Friday as mounting concerns about the country's biggest mortgage financiers, Fannie Mae and Freddie Mac, continued to rattle the market.

Speculation that Lehman Brothers Holdings Inc. is struggling also weighed on the stocks.

Meanwhile, oil surged as high as $147.27 as tensions with Iran continued to fuel concerns about supply.

How shares of some key diversified financial companies performed on Friday:

Citigroup, down 9 cents to $16.19.

JPMorgan Chase & Co., down $1.35, or 3.9 percent, to $33.16.

CIT Group Inc., down 23 cents, or 3.1 percent, to $7.09.

Bank of America Corp., down 69 cents, or 3.1 percent, to $21.67.

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