Doral Financial ( DRL) tanked nearly 14% after an analyst with Standard & Poor's lowered its counterparty credit rating to B from B+. The analyst cited the Puerto Rican lender's mounting losses in the past two quarters, as well as his belief that these negative trends will continue through the fourth quarter. The news follows Wednesday's announcement that Chairman John Ward had resigned. Shares were losing 34 cents to $2.12.

First American ( FAF) jumped after the Santa Ana, Calif., business-information company said that, while it found evidence of stock-option backdating in its internal review, the total impact from 2001 through 2005 is estimated at only $35.7 million in mostly noncash assets. The cumulative impact on shareholder's equity at Dec. 31, 2005, the company says, is "negligible." Shares were rising $1.16, or 2.8%, to $42.24.

WellPoint ( WLP) rose after a Goldman Sachs analyst upgraded the Indianapolis-based company to a buy from neutral. Shares were gaining 47 cents, or 0.6%, to $78.34.

Freddie Mac ( FRE) slipped after the mortgage company swung to a third-quarter loss of $550 million, compared with earnings of $880 million a year ago, and said it would lose money in the fourth quarter, as well. Freddie Mac blamed these numbers on the recent drop in long-term interest rates -- as a result of which, the company says, it lost money on derivatives and guarantee transactions. Shares were falling $1.18, or 1.7%, to $66.75.

Apollo Investment ( AINV) dropped after the New York-based firm offered 16 million of its shares, with an underwriter's option to buy an additional 2.4 million shares to cover any overallotments. Shares were down 44 cents, or 2%, to $22.14.