Chindex International

Ticker: CHDX

Friday's close: $11.00

Week's change: +22%

Chindex's stock climbed last week as the Bethesda company announced it would market defibrillators in China for Cardiac Science Inc. of Irvine, Calif. Chindex will report its fiscal 2004 results this week.

Ciena

Ticker: CIEN

Friday's close: $3.76

Week's change: +22%

Ciena's stock jumped amid hope that spending for new telecommunications equipment would increase sales after SBC Communications of San Antonio announced it would spend up to $6 billion to expand its fiber-optic network. Ciena supplies equipment to SBC.

Guilford Pharmaceuticals

Ticker: GLFD

Friday's close: $4.69

Week's change: -12%

Guilford Pharmaceuticals disclosed last week that it expects 2004 sales for Aggrastat, a heart-attack drug, to drop from its earlier estimate of $30 million to as little as $16 million. The Baltimore company also said it would sell as many as 10 million shares of stock to raise money to develop drugs in its pipeline.

Allied Capital

Ticker: ALD

Friday's close: $23.66

Week's change: -10%

Shares of Allied Capital dropped after the Washington-based lender to businesses said it was being investigated by the Securities and Exchange Commission. The company blamed short sellers for the "frivolous allegations."