Guilford Pharmaceuticals

Ticker: GLFD

Friday's close: $3.32

Week's change: +40%

Shares of Guilford Pharmaceuticals soared this week after the Baltimore biotechnology firm agreed to be acquired by MGI Pharma, a drug maker that specializes in oncology, for $177.5 million. Guilford is also developing cancer-related treatments.

Gene Logic

Ticker: GLGC

Friday's close: $4.62

Week's change: +30%

Gene Logic, a Gaithersburg genomics firm, reported last week that its second-quarter loss narrowed by 41 percent compared with the previous year. In the three months ended June 30, the company lost $2.6 million (8 cents per share) compared with a $4.4 million (14 cents) loss in the year-ago period.

Stanley Furniture

Ticker: STLY

Friday's close: $28.43

Week's change: +18%

The Stanleytown, Va., furniture maker saw its shares rise last week after it told investors its second quarter profit had risen to $5.8 million (44 cents a share), from $5.2 million (40 cents) in the year-ago quarter. The company posted $83.6 million in revenue, up from $72.2 million.

AmeriGroup

Ticker: AGP

Friday's close: $34.87

Week's change: -21%

Shares of the Virginia Beach company, which provides managed health care services, tumbled last week after it warned investors that its 2005 profits won't be as high as previously expected. The company now projects it will earn between $1.73 and $1.78 per share for 2005, down from the $1.90 to $1.98 it had earlier projected.