Shares of Dolan Media Co. (NYSE:DM) are trading in negative territory despite news after the close on Thursday that the provider of business information and professional services swung to a fourth-quarter profit. The Minneapolis-based company announced that earnings for the three months ended Dec. 31, 2007, were $3.1 million, or $0.12 per share, compared with a net loss of $3.3 million, or $0.36 per share, a year earlier.

Four analysts polled by Thomson Financial were projecting a profit of $0.11 per share.

At 11:19 a.m. ET, the stock had let go $2.76, or 12%, to $21.24. For detailed price information and recent news stories about Dolan Media, click DM.