Amex Biotechnology Index ($BTK),$BTK
Affymetrix Inc,AFFX
Amgen Inc,AMGN
Amylin Pharmaceuticals Inc.,AMLN
Applera Corp-Celera Genomics,CRA.O
Biogen Idec,BIIB
Celgene Corp,CELG
Cephalon Inc,CEPH
Genentech Inc,DNA
Genzyme Corp,GENZ
Gilead Sciences,GILD
Human Genome Sciences,HGSI
Illumina Inc,ILMN
Imclone Systems,IMCL
InterMune Inc.,ITMN
Invitrogen Corp,IVGN
Millipore Corp,MIL
Nektar Therapeutics,NKTR
OSI Pharmaceuticals Inc,OSIP
PDL BioPharma Inc.,PDLI
Vertex Pharmaceuticals,VRTX