Morning Market Losers

Matrix Service Company

shares dipped 22.73% to $22.51 after the company reported downbeat quarterly results. Kamada

shares fell 17.04% to $5.94 after the company reported final results from the Phase 2/3 clinical trial of inhaled Alpha-1 antitrypsin to treat Alpha-1 antitrypsin deficiency. Shoe Carnival

declined 11.82% to $19.54 after the company reported weaker-than-expected quarterly results and issued a weak Q3 forecast. Ciena

shares slipped 6.89% to $19.05 after the company issued a weak fiscal fourth-quarter forecast. However, the company reported upbeat third-quarter results. GoPro

dropped 5.82% to $53.55 after gaining 5.41% on Wednesday. Analysts at JP Morgan downgraded GoPro from Overweight to Neutral. Cedar Fair LP

fell 5.16% to $46.00 after the company lowered its earnings guidance. Memorial Production Partners LP

shares dropped 4.23% to $22.18 after the company announced a public offering of 13 million common units. Joy Global

shares declined 2.57% to $60.60 after the company reported weaker-than-expected third-quarter earnings.