Pre-Market Movers (NuPathe, Life Tech, Research In Motion, Rio Tinto, Carnival Corp, Intel Corp, Finisar, Cliffs Natural, AT&T)

NuPathe, Life Technologies, Research In Motion, Rio Tinto, Carnival Corp, Intel Corp, Finisar Corp, Cliffs Natural Resources and AT&T Inc. are among the companies whose shares are moving in the pre-market trading Friday.

NuPathe Inc. (NASDAQ:PATH) stock rallied 41.09 percent to $4.67 in pre-market trading. The company announced Thursday that the U.S. Food and Drug Administration (FDA) have approved Zecuity for the acute treatment of migraine with or without aura in adults.

Life Technologies Corp. (NASDAQ:LIFE) stock climbed 7.33 percent to $59.00 in pre-market trading. The company will report its fourth quarter and fiscal year 2012 financial results Feb. 4, after market closes.

Research In Motion Ltd. (NASDAQ:RIMM) stock surged 5.30 percent to $15.70 in pre-market trading. The company stock was upgraded to “buy” rating from “hold” rating at Jefferies with a price target of $19.50.

Rio Tinto Plc (NYSE:RIO) stock gained 2.06 percent to $55.95 in pre-market trading. The stock has a 52-week low of $41.59, a 52-week high of $63.18 and $101.25 billion in market capitalization.

Carnival Corp. (NYSE:CCL) stock advanced 1.60 percent to $38.80 in pre-market trading. The company announced Thursday that it has renewed its authorization for the buyback of up to $1 billion of its common stock and declared a quarterly dividend of $0.25 per share.

Intel Corp. (NASDAQ:INTC) stock plunged 5.07 percent to $21.53 in pre-market trading. Its fourth quarter net profit declined to $2.61 billion or $0.51 per share from $3.52 billion or $0.67 per share in the same period last year. Quarterly revenue declined 3 percent to $13.48 billion from last year and also fell short of analysts’ estimation of $13.53 billion. Currently, Intel expects first quarter revenue to be around $12.7 billion, plus or minus $500 million, compared to analysts’ estimation of $12.92 billion.

Finisar Corp. (NASDAQ:FNSR) stock plunged 4.69 percent to $14.85 in pre-market trading. The stock has a 52-week low of $10.95, a 52-week high of $23.50 and $1.45 billion in market capitalization.

Cliffs Natural Resources Inc. (NYSE:CLF) stock plunged 2.43 percent to $35.80 in pre-market trading. The stock has a 52-week low of $28.05, a 52-week high of $78.85 and $5.23 billion in market capitalization.

AT&T Inc. (NYSE:T) stock declined 1.36 percent to $32.75 in pre-market trading. The company warned Thursday that it will take a fourth quarter charge of about $10 billion related to actuarial gains and losses on pension and post-employment benefit plans.