NEW YORK (GenomeWeb News) – PerkinElmer reported after the close of the market Thursday that its fourth-quarter revenues rose 6 percent, while its bottom line was hit by a large asset impairments charge.

The Waltham, Mass.-based analytical tools firm brought in total revenues of $572.9 million for the three months ended Dec. 30, 2012, compared to $539.3 million for the fourth quarter of 2011, and up 3 percent on an organic basis. It beat Wall Street's estimate of $578.1 million.