Benzinga's Top #PreMarket Losers

Kamada KMDA shares dipped 19.05% to $5.78 in pre-market trading after the company reported final results from the Phase 2/3 clinical trial of inhaled Alpha-1 antitrypsin to treat Alpha-1 antitrypsin deficiency. Ciena CIEN shares declined 9.82% to $18.45 in pre-market trading after the company issued a weak fiscal fourth-quarter forecast. However, the company reported upbeat third-quarter results. Memorial Production Partners LP MEMP fell 4.88% to $22.03 in pre-market trading after the company announced a public offering of 13 million common units. GoPro GPRO shares declined 3.62% to $54.80 after gaining 5.41% on Wednesday. Analysts at JP Morgan downgraded GoPro from Overweight to Neutral. Joy Global JOY dropped 2.65% to $60.55 in pre-market trading after the company reported weaker-than-expected third-quarter earnings.