Friday's close: $73.65
Week's change: +55.1%
The Newport News plumbing and electrical supplies distributor announced it would be bought by Winwholesale, an Ohio-based distributor.
Friday's close: $7.71
Week's change: -6.9%
The McLean computer services company announced plans to boost its workforce in China. But investment banker Morgan Stanley downgraded the company to underweight, predicting a "challenging" year.
Friday's close: $1.44
Week's change: -17.2%
The Rockville supply-chain software and services company reported a fourth-quarter loss of $17.2 million on $42.5 million in revenue. That compared with a $57.5 million loss on $57.8 million in revenue in the same period in 2003.
Friday's close: $10.38
Week's change: +26.4%
Shares of the Columbia supplier of construction chemicals and building materials rallied after Sen. Arlen Specter (R-Pa.) said legislation establishing a national fund to compensate asbestos victims would soon be introduced. W.R. Grace is a former producer of asbestos-tainted insulation.