Amex Biotech Index - Support hält ?
US Biotechs - Bisherige Volume Leader SGP Schering-Plough Corporation 37.610 -1.93% 9.43M PFE Pfizer Inc. 40.470 +0.92% 7M ASTM Aastrom Biosciences, Inc. 2.300 +29.21% 6.31M STEM Stemcells Inc. 6.460 +36.58% 6.08M AMGN AMGEN Inc. 59.920 -1.59% 5.78M IMNX Immunex Corporation 14.500 +0.55% 4.94M MRK Merck & Co., Inc. 67…