Must Watch Stocks for December 30, 2016

Some of the stocks that may grab investor focus today are:

• Innocoll Holdings PLC INNL disclosed that it has received a Refusal to File letter from the FDA related to XARACOLL New Drug Application. Innocoll shares tumbled 49.72 percent to $0.89 in the after-hours trading session.
• Mylan NV MYL reported the launch of generic Concerta tablets. Mylan shares gained 2.17 percent to $38.19 in after-hours trading.
• Shares of Endologix, Inc. ELGX surged over 11 percent Thursday after the company disclosed that it has removed the temporary hold on all sizes of the AFX Endovascular AAA System and some sizes of the AFX2 Endovascular AAA System. Endologix shares fell 0.34 percent to $5.90 in after-hours trading.

Find out what's going on in today's market and bring any questions you have to Benzinga's PreMarket Prep.

• Gevo, Inc. GEVO reported a 1-for-20 reverse stock split. Gevo shares dropped 8.51 percent to $0.181 in the after-hours trading session.
• Gulfport Energy Corporation GPOR reported the resignation of its CFO Aaron Gaydosik, effective Jan. 4, 2017. The company named Keri Crowell as new Chief Financial Officer. Gulfport Energy shares slipped 0.28 percent to $21.75 in the after-hours trading session.