Retreating crude oil prices weighed down shares of oilfield services providers Keane Group Inc. (NYSE: FRAC) $1.03 to close at $14.18 and ProPetro Holding Corp. (NYSE: PUMP) $1.03 to close at $12.47.
Ziopharm Oncology Inc. (Nasdaq: ZIOP) received positive guidance from the Food and Drug Administration at its End-of-Phase 2 meeting for Ad-RTS-hIL-12 gene therapy candidate. The stock price gained 81 cents to close at $6.69.
G-III Apparel Group Ltd. (Nasdaq: GIII) fell to a greater than expected loss for the fourth quarter of 42 cents per share compared with earnings of 17 cents per share in the year ago period sending the stock price plummeting $3.23 to close at $19.69.
Foamix Pharmaceuticals Ltd. (Nasdaq: FOMX) reported disappointing results from two Phase 3 clinical trials investigating FMX101 to treat moderate to severe acne sending the stock price plummeting $3.80 to close at $5.30.
Impax Laboratories Inc. (Nasdaq: IPXL) named Paul M. Bisaro to the position of president and chief executive officer. Shares of the specialty pharmaceutical leaped $3.45 to close at $12.70.
Cellect Biotechnology Ltd. (Nasdaq: APOP) announced the first successful stem cell transplant procedure using its ApoGraft technology in a Phase I/II clinical trial. The stock price leaped $4.64 to close at $10.90..
Penn National Gaming Inc. (Nasdaq: PENN) lifted its first quarter revenue forecast sending the stock price up $1.79 to close at $17.18.
LSC Communications Inc. (NYSE: LKSD) priced its secondary offering of approximately 6.24 million common shares at $20.25 per share. The stock price soared $3.69 to close at $24.51.
Rumors swirled that Sanofi (NYSE: SNY) offered to acquire Flexion Therapeutics Inc. (Nasdaq: FLXN). Shares of Flexion Therapeutics leaped $6.57 to close at $26.25 while Sanofi stock eased 16 cents to close at $44.51.
Tandem Diabetes Care Inc. (Nasdaq: TNDM) priced its public offering of 18 million common shares at the discounted price of $1.25 per share sending the stock price down 30 cents to close at $1.25.