Pre-market losers: ELN -44% BIIB -23% (bad Tysabri news). RNWK -10% JAVA -9% NT -9% GM -8% OSK...

|By:, SA News Editor

Pre-market losers: ELN -44% BIIB -23% (bad Tysabri news). RNWK -10% JAVA -9% NT -9% GM -8% OSK -8% NYX -5% (earnings). SGP -7% (FDA letter).