Repros Therapeutics, Sprint Nextel, Biogen Idec, Diageo Plc, Carnival Corp, Fortress Investment Group, Tumi Holdings, Nokia Corp and Morgan Stanley are among the companies whose shares are moving in the pre-market trading Thursday.

Gainers

Repros Therapeutics Inc. (NASDAQ:RPRX) stock rallied 32.09 percent to $12.06 in pre-market trading. The company announced Wednesday the top-line results for the first pivotal study of Androxal, ZA-301, in the treatment of secondary hypogonadism. Results for the Intent-to-Treat population met both co-primary endpoints mandated by the FDA.

Sprint Nextel Corp. (NYSE:S) stock surged 2.32 percent to $6.18 in pre-market trading. The company announced Wednesday that it will release its financial results for the first quarter 2013 Wednesday, Apr. 24.

Biogen Idec Inc. (NASDAQ:BIIB) stock advanced 1.82 percent to $186.00 in pre-market trading. The company announced that the U.S. Food and Drug Administration (FDA) has approved TECFIDERA, a new first-line oral treatment for people with relapsing forms of multiple sclerosis (MS).

Diageo Plc (NYSE:DEO) stock gained 1.14 percent to $124.84 in pre-market trading. The stock has a 52-week low of $92.55, a 52-week high of $124.20 and $77.42 billion in market capitalization.

Carnival Corp. (NYSE:CCL) stock gained 1.10 percent to $34.00 in pre-market trading. The stock has a 52-week low of $30.04, a 52-week high of $39.95 and $26.06 billion in market capitalization.

Losers

Fortress Investment Group LLC (NYSE:FIG) stock plunged 4.14 percent to $6.25 in pre-market trading. The stock has a 52-week low of $2.86, a 52-week high of $6.99 and $3.05 billion in market capitalization.

Tumi Holdings Inc. (NYSE:TUMI) stock plunged 2.80 percent to $21.20 in pre-market trading. Tumi announced the pricing of a secondary offering of 10,140,000 shares of its common stock at $21.10 per share.

Nokia Corp. (NYSE:NOK) stock fell 2.10 percent to $3.27 in pre-market trading. The stock has a 52-week low of $1.63, a 52-week high of $5.57 and $12.51 billion in market capitalization.

Morgan Stanley (NYSE:MS) stock declined 1.30 percent to $22.00 in pre-market trading. The stock has a 52-week low of $12.26, a 52-week high of $24.47 and $44.00 billion in market capitalization.