10 Biggest Mid-Day Losers For Thursday

Express, Inc. EXPR shares dropped 20.2 percent to $6.19 in the pre-market trading session after the company posted a wider-than-expected loss for its first quarter.
Zymeworks Inc ZYME shares declined 13 percent to $10.20. On Wednesday, Zymeworks disclosed the closing of partial exercise of over-allotment option for its initial public offering.
Microbot Medical Inc MBOT shares dropped 7.7 percent to $4.17 after surging 68.03 percent on Wednesday.
Vera Bradley, Inc. VRA shares slipped 6.2 percent to $8.82. On Wednesday, Vera Bradley posted a narrower-than-expected quarterly loss, while sales missed estimates.
Rayonier Advanced Materials Inc RYAM dipped 5.4 percent to $16.46. Vertical Research downgraded Rayonier Advanced Materials from Buy to Hold.
Fox Factory Holding Corp FOXF tumbled 4.6 percent to $31.35. CL King downgraded Fox Factory from Buy to Neutral.
Sibanye Gold Ltd (ADR) SBGL shares declined 3.8 percent to $4.89 after rising 1.81 percent on Wednesday.
DRDGOLD Ltd. (ADR) DRD shares dropped 3.7 percent to $2.89 after declining 4.76 percent on Wednesday.
Semtech Corporation SMTC declined 3.2 percent to $37.00. Semtech reported Q1 adjusted earnings of $0.44 per share on revenue of $149.1 million.
Donaldson Company, Inc. DCI shares slipped 3.2 percent to $46.45. Donaldson reported Q3 earnings of $0.45 per share on sales of $608.2 million. The company also raised its FY17 adjusted earnings outlook.