(For faster updates on individual market-movers, Eikon users please use search string "STXBZ US"; for the Day Ahead newsletter, link.reuters.com/mex49s; for the Morning News Call newsletter, link.reuters.com/nex49s) U.S. stocks opened lower on Friday, putting major indexes on track for a second straight monthly decline, as data showed U.S. gross domestic product grew less than expected in the last quarter of 2014. The Dow Jones industrial average was down 0.78 percent at 17,281.5, the S&P 500 was down 0.83 percent at 2,004.52 and the Nasdaq Composite was down 0.41 percent at 4,664.161.
** SHAKE SHACK INC, $48.59, +131.38 pct
Shares of gourmet hamburger chain soared 150 percent in their first few minutes of trading on Friday, valuing the company that grew out of a hotdog cart in New York's Madison Square Park at nearly $2 billion.
** GULF RESOURCES INC, $2.4201, +105.09 pct
The Chinese bromine and chemical product maker finds natural gas resources under its bromine well in Sichuan area.
** BOOKS-A-MILLION INC, $2.4901, +48.40 pct
Chairman Clyde Anderson, who owns 58.2 pct of company, proposed to buy remaining shares for $2.75 per share late Thursday.
** IMMUNOGEN INC, $8, +29.03 pct
The drug developer posted a surprise second-quarter profit, helped by higher license and milestone fees.
** GOOGLE INC, $533.2905, +3.91 pct
The internet company plans to keep making ambitious and costly bets on futuristic products, even if it means shelving some of its most beloved projects.
** AMAZON.COM INC, $347.51, +11.46 pct
The online commerce giant reported stronger-than-expected quarterly earnings on Thursday as North American sales surged during the crucial holiday quarter.
** ELDORADO GOLD CORP, $4.5, -19.21 pct
Greece's new left-wing government opposed the Canadian miner operated Skouries gold mine. "We are absolutely against it and we will examine our next moves on it," energy minister Panagiotis Lafazanis tells Reuters.
** DECKERS OUTDOOR CORP, $67.56, -17.88 pct
The outdoor footwear and apparel manufacturer and retailer cut its full-year forecast as demand for its UGG Australia branded sheepskin shoes slows in the United States.
** GREEN DOT CORP, $16.09, -18.94 pct
The debit card provider forecast 2015 adjusted earnings of $1.24-$1.47 per share, below average analyst estimate of $1.74, and reported lower-than-expected fourth-quarter revenue and profit as operating expenses rise 6 percent.
At least 4 brokerages cut price targets by as much as $4 to as low as $17.
** INTERCEPT PHARMACEUTICALS INC, $202.92, +18.88 pct
FDA granted "breakthrough therapy designation" for lead drug to treat nonalcoholic steatohepatitis, a fatty liver disease for which there is no approved treatment.
** BIOGEN IDEC INC, $388.83, +10.07 pct
The U.S. biotechnology company on Thursday reported a fourth-quarter profit and issued a 2015 earnings forecast that both sailed past Wall Street estimates, driven by strong sales of its oral multiple sclerosis drug Tecfidera.
** PERFORMANT FINANCIAL CORP, $4.9401, +17.34 pct
The company to withdraw proposed public offerings of convertible senior notes and common stock, which was intended to fund the purchase of Premier Healthcare Exchange Inc.
** VISA INC, $260.32, +4.97 pct
The world's largest credit and debit card company reported a better-than-expected quarterly profit on Thursday due to a good holiday season and a strengthening U.S. job market that encouraged people to spend.
** MASTERCARD INC, $82.13, +0.92 pct
The world's second-largest debit and credit card company posted a 29 percent rise in quarterly profit as customers swiped their cards more often.
** MIZUHO FINANCIAL GROUP INC, $3.225, -3.73 pct
Japan's second-largest lender by assets reported a surprise 26 percent rise in profits for the quarter ended in December as the Bank of Japan's additional stimulus measures boosted markets.
** FXCM INC, $2.187, -2.37 pct
The retail currency broker adopts stockholder rights plan and declares dividend distribution of 1 right on each outstanding share of company's Class A common stock.
** REPLIGEN CORP, $24.08, -3.53 pct
** PFIZER INC, $31.39, -1.38 pct
Pfizer notified the company on Jan. 26 that it was ending the deal to develop treatments for spinal muscular atrophy; reason for termination was not cited in the filing.
** PERKINELMER INC, $45.88, +2.27 pct
The scientific instruments maker on Thursday reported better-than-expected fourth quarter revenue and profit, helped by strong demand for its newborn screening tests in developing markets.
** PETROLEO BRASILEIRO SA, $5.921, -7.48 pct
The Brazilian state-run oil company said on Thursday it plans to sell assets, cut investments and probably delay dividend payments to face a credit crunch resulting from a massive corruption scandal.
** HARVEST NATURAL RESOURCES INC, $0.6181, -2.51 pct
The Texas-based oil company said on Thursday its affiliates have withdrawn a request for arbitration against Venezuela for blocking the sale of the company's stake in an oil project in the country.
** ALIGN TECHNOLOGY INC, $53.94, -8.06 pct
JMP Securities downgrades to "market perform" from "market outperform".
** CHUBB CORP, $99.21, -3.23 pct
The property and casualty insurer's quarterly operating profit rose 3.4 percent as premium income increased.
** SYNAPTICS INC, $75.57, +10.63 pct
Cowen and Co raised its price target on the stock to $95, highest on Wall Street; JP Morgan raised by $11, the biggest increase.
** INFRAREIT INC, $26.88, +16.87 pct
The company offered of 20 millionn shares priced at $23 per share, well above expected range of $19-$21.
** YANDEX NV, $15.08, -2.33 pct
** VIMPELCOM LTD, $3.6, +4.96 pct
** MOBILE TELESYSTEMS OAO, $7.63, -3.54 pct
Central Bank said was reducing 1-week minimum auction repo rate seeing conditions for reduction in inflation medium-term.
** GIGAMON INC, $17.97, +11.82 pct
At least five brokerages raise price targets on stock, by as much as $6 to as much as $24.
** MANPOWERGROUP INC, $70.98, +9.37 pct
The staffing company's fourth-quarter profit beat average analyst estimate, services revenue increases in North America.
** XEROX CORP, $13.13, -3.17 pct
The company best known for its printers and copiers forecast a first-quarter and full-year adjusted profit below analysts' estimates, citing impact of recent shifts in currency rates, specifically the weakening of the euro.
** DICK'S SPORTING GOODS INC, $51.71, -6.22 pct
The sporting goods retailer is unlikely to be sold as Chief Executive Edward Stack, along with founder Stack family, want to keep control, the New York Post reported, citing bankers familiar with the CEO's thinking. (bit.ly/1DmDyDr)
** CEPHEID, $57.335, +6.00 pct
At least seven brokerages raised price targets after company reported better-than-expected fourth-quarter revenue, helped by clinical reagent sales.
** QLOGIC CORP, $13.22, +4.18 pct
RBC raises price target to $15 from $13, D.A. Davidson to $18 and BMO Capital to $15.50 from $14.50. BMO also raises rating to "outperform" from "market perform", citing QLogic's sustained revenue growth, stable gross margins and consistent stock buyback program.
** JA SOLAR HOLDINGS CO LTD, $7.98, +2.70 pct
** TRINA SOLAR LTD, $9.2, +3.84 pct
RBC Capital Markets upgraded rating on both stocks to "outperform" from "sector perform"; raised price target to $13 from $12.
** INVENSENSE INC, $14.94, -5.50 pct
Canaccord Genuity and Topeka cut price target to $18 from $21; Roth Capital to $22 from $25. "We believe that growth was driven by Apple and Samsung, which likely had volume discounts with a negative impact on gross margins," Roth Capital analysts wrote.
** PERKINELMER INC, $45.88, +2.27 pct
Janney Montgomery Scott LLC raised price target on stock to $49 from $45.
** TRACON PHARMACEUTICALS INC, $9.75, -2.50 pct
The pharmaceutical company offered 3.6 million shares priced at $10 per share, well below the expected range of $12-$14.
** CALLAWAY GOLF CO, $8.03, +2.82 pct
The golf equipment maker posted smaller fourth-quarter loss and forecasts better-than-expected full-year 2015 profit and sales.
** AVINGER INC, $13.19, +1.46 pct
The company, which makes catheter-based devices to treat narrowed arteries, raises about $65 million from the IPO of 5 million shares. (Compiled by Anet Josline Pinto in Bengaluru; Edited by Maju Samuel)