Stocks that are expected to witness heavy trading in today’s session are Facebook Inc (NASDAQ:FB), Magnum Hunter Resources Corp (NYSE:MHR), Barnes & Noble, Inc. (NYSE:BKS), magicJack VocalTec Ltd (NASDAQ:CALL), AEterna Zentaris Inc. (NASDAQ:AEZS) (TSE:AEZ) and NTS Realty Holdings LP (NYSEAMEX:NLP).

stocks to watch

Facebook Inc (NASDAQ:FB): Shares of the world’s largest social networking site plunged 2.81 percent to $25.27, after Instagram lost about a quarter of its active users due to an outrage over the recent privacy rules, according to the NY Post. Facebook Inc (NASDAQ:FB) acquired Instagram for $1 billion earlier this year.

Magnum Hunter Resources Corp (NYSE:MHR): The oil and gas producer said that it has unveiled the best well of the 42 successful wells drilled in Eagle Ford shale since 2010. The company board had earlier thought of divesting these properties completely. But after such a good results, CEO Gary Evans said that the company will rethink its divestment plans. Shares surged 6.61 percent to $4.03 in early trading.

Barnes & Noble, Inc. (NYSE:BKS): Pearson LLC announced today that it will invest $89.5 million in NOOK Media LLC, the digital business unit of Barnes & Noble, Inc. (NYSE:BKS). The bookseller’s shares were up 7.87 percent to $15.54 in early market trading.

magicJack VocalTec Ltd (NASDAQ:CALL): The company said Gerald T. Vento will replace founder Daniel Borislow, as its new CEO. Vento will look after product development and marketing initiatives. The voice-over Internet-protocol services provider said that higher receipts and lower telecom costs will boost the company’s results. magicJack VocalTec Ltd (NASDAQ:CALL) said its full-year and fourth quarter earnings will be well above its previous estimates. Shares jumped 4.85 percent to $17.19 in early trading.

AEterna Zentaris Inc. (NASDAQ:AEZS) (TSE:AEZ): The pharmaceutical company said that it has reached an agreement with USFDA to have a special protocol assessment for the phase 3 trial of AEterna Zentaris Inc. (NASDAQ:AEZS) (TSE:AEZ)-108, in endometrial cancer. Shares of the company jumped 18.89 percent in early trading to $2.58.

NTS Realty Holdings LP (NYSEAMEX:NLP): The real estate company said its board have approved to be taken private by its chairman J.D. Nichols and CEO Brian F. Lavin. They initially made their offer in August this year. Lavin and Nichols have offered $7.50 per share, a 43 percent premium over their August offer, and about 14 percent above its Thursday’s closing price. Shares were up 11.82 percent to $7.38 in early trading.