Unilife Corporation, BT Group Plc, Molycorp, ArcelorMittal, Nokia Corporation, Pain Therapeutics Inc, Intersections Inc, Apollo Global Management LLC and LivePerson Inc are among the companies whose shares are moving in the pre-market trading on Friday.

Gainers

Unilife Corporation (NASDAQ:UNIS) shares climbed 20 percent to $2.22 in pre-market trading. Unilife Corporation announced on Thursday first quarter loss per share of $0.17 versus a loss of $0.21 per share reported a year ago. The company also announced the signing of a Customization and Commercial Supply Agreement with a U.S. pharmaceutical company for the EZMix dual-chamber syringe.

BT Group Plc. (NYSE:BT) stock advanced 11.45 percent to $47.31 in pre-market trading. The stock has a 52-week low of $30.92, a 52-week high of $44.73 and $33.45 billion in market capitalization.

Molycorp Inc. (NYSE:MCP) stock rallied 6.44 percent to $5.95 in pre-market trading. The company on Thursday reported adjusted EPS loss of $0.15 per share beating mean analysts' estimate of loss of $0.27. Revenues rose 73.32 percent to $146.4 million topping the average revenue estimate of $137.52 million.

ArcelorMittal (NYSE:MT) stock rose 4.55 percent to $13.34 in pre-market trading. The stock has a 52-week low of $11.15, a 52-week high of $17.99 and $19.77 billion in market capitalization.

Nokia Corporation (NYSE:NOK) stock increased 2.82 percent to $3.65 in pre-market trading. The company stock has a 52-week low of $1.63, a 52-week high of $4.90 and $13.29 billion in market capitalization.

Losers

Pain Therapeutics Inc. (NASDAQ:PTIE) shares tumbled 19.17 percent to $4.30 in pre-market trading. The stock has a 52-week low of $2.34, a 52-week high of $5.86 and $241.17 million in market capitalization.

Intersections Inc. (NASDAQ:INTX) stock slumped 4.63 percent to $9.48 in pre-market trading. The stock has a 52-week low of $7.83, a 52-week high of $16.59 and $178.87 million in market capitalization.

Apollo Global Management LLC (NYSE:APO) stock plunged 3.24 percent to $24.75 in pre-market trading. The shares lost more than five percent in regular trading. The company announced the pricing of its previously announced public offering for resale of approximately 21.1 million Class A shares owned by its strategic investors and certain of its managing partners, contributing partners and employees (collectively, the “Selling Shareholders”) at a price to the public of $25.00 per Class A share.

LivePerson Inc. (NASDAQ:LPSN) shares lost 2.71 percent to $7.90 in pre-market trading. The company stock lost more than 36 percent in regular trading on Thursday after it reported a loss of $200,000, or break even on a per share basis, for the quarter ended March 31 compared to net income of $3.1 million, or $0.06 per share reported in its first quarter last year, on Thursday. The adjusted earnings were $0.06 per share on revenues of $42.5 million for the quarter, versus $0.09 per share, last year. Analysts polled by FactSet expected the company to earn adjusted earnings of $0.07 per share on revenues of $42.5 million.