Benzinga's Top Pre-Market Losers

Targacept Inc TRGT dipped 12.15% to $6.51 in the pre-market session. AstraZeneca Plc AZN and Targacept reported that have ended work on development of depression drug. JDS Uniphase Corporation JDSU shares fell 4.83% to $13.61 in the pre-market trading. JDSU shares have declined 23.57% over the past 52 weeks, while the S&P 500 index has gained 8.96% in the same period. Adobe Systems Inc ADBE moved down 4.23% to $33.05 in the pre-market session. Adobe reported a 21% decline in its earnings in the fiscal first quarter. Joy Global Inc JOY dipped 2.34% to $77.50 in the pre-market session. JOY has a dividend yield of 0.90%.