10 BIGGEST U.S. GAINERS FOR THE WEEK

(By Percent)

(By Dollars)

Synsorb Biotech 41.05

VaxGen 1.77

Immtech 39.15

Immtech 1.76

VaxGen 18.73

Embrex 1.24

Sheffield 14.52

IGEN 0.96

Oxis Int'l 14.29

Maxygen 0.88

Columbia Labs 7.13

Idexx Labs 0.70

Aclara Biosci 6.97

Versicor 0.65

Maxygen 6.77

Invitrogen 0.44

Embrex 6.72

Sheffield 0.44

Demegen 6.67

Vertex Pharma 0.40


10 BIGGEST U.S. LOSERS FOR THE WEEK

(By Percent)

(By Dollars)

Ista Pharma -31.15

Cephalon -6.94

Carrington -29.29

Sepracor -6.65

Collateral Thera -26.74

QLT PhotoTher -5.28

ZymoGenetics -25.39

Neurocrine Biosci -5.02

QLT PhotoTher -24.02

ILEX Oncology -4.73

Organogenesis -23.85

Emisphere -4.20

Discovery Partners -23.26

Myriad Genetics -3.86

InFormax -22.61

Cerus Corp. -3.79

NeoRx Corp. -22.54

Transkaryotic -3.65

Seattle Genetics -22.24

Tripos -3.50