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U.S. stock indexes fell on Wednesday. The Dow Jones industrial average was down 0.47 percent at 16,833.35 and the S&P 500 was down 0.24 percent at 1,965.26.
** TWITTER INC, $46.83, +21.35 pct
The company halted a slowdown in user-growth in the second quarter with the help of product tweaks and services built around the summer's World Cup, assuaging concerns for now that the online messaging service had peaked.
** UNITED CONTINENTAL HOLDINGS INC, $46.269, +0.94 pct
** SOUTHWEST AIRLINES CO, $28.76, +0.17 pct
** ALASKA AIR GROUP INC, $44.67, -3.27 pct
JP Morgan raised its rating on United Continental Holdings' stock to "overweight" from "neutral" and lowered its rating on Alaska Air's shares to "neutral" from "overweight". The brokerage raised its price target on Southwest's stock to $29.50 from $26.
** THE PANTRY INC, $18, +15.46 pct
The convenience store operator reported a higher-than-expected third-quarter profit, helped by higher fuel margin.
** EDWARDS LIFESCIENCES CORP, $93.59, +10.84 pct
The medical device maker reported a better-than-expected second-quarter profit and it raised its full-year earnings forecast.
At least eight brokerages raise their price targets on the stock.
** REGENERON PHARMACEUTICALS INC, $325.08, +6.76 pct
The drugmaker said its cholesterol drug, being developed with Sanofi, succeeded in a trial.
Also, the U.S. Food and Drug Administration approved on Tuesday the expanded use of Regeneron's Eylea for the treatment of an eye condition related to diabetes.
** BBVA BANCO FRANCES, $13.711, +10.57 pct
** YPF SA, $38.55, +8.32 pct
** GRUPO FINANCIERO GALICIA, $16.78, +10.98 pct
The Argentina-based companies' U.S.-listed shares rose after reports of talks between the government and holdout debt investors. If a deal with investors is not reached on Wednesday, Argentina faces default on its sovereign debt.
** HUMANA INC, $119.25, -6.49 pct
The U.S. health insurer said that its second-quarter profit fell due to investments in the exchanges created under President Barack Obama's healthcare reform law and also because of costly new hepatitis C drug treatments.
** GALECTIN THERAPEUTICS INC, $6.7001, +17.55 pct
The drug developer defended the results from the early-stage trial of its liver drug, GR-MD-02, announced on Tuesday and said the drug met the main goal of safety in the trial. The company's shares had fallen on Tuesday as the drug did not show a clear advantage over a dummy drug in terms of efficacy. Galectin said it would now assess the efficacy of the drug in a mid-stage trial.
** PENN WEST PETROLEUM, $7.62, -16.72 pct
The Canadian oil and gas producer said it was conducting an internal review of its accounting practices and examining certain entries "which appear to have been made" to reduce operating costs and increase capital expenditures.
** HYDROGENICS CORP, $22.14, +6.39 pct
The fuel-cell maker reported a much smaller-than-expected quarterly loss as orders rose for its fuel cells.
** NUVASIVE INC, $38.6, +10.11 pct
The medical device maker reported better-than-expected second-quarter profit and revenue on strong lumbar and biologics products sales in the United States.
** AK STEEL HOLDING CORP, $9.23, +3.01 pct
The steel producer reported a surprise quarterly profit on Tuesday. Shipments rose about 6 percent to 1.4 million tons in the second quarter, while average selling price rose 3.2 percent due to higher spot market prices for carbon steel product.
Nomura raised its price target on the stock to $7 from $6.
** CHICAGO MERCANTILE EXCHANGE GROUP INC, $75.4, -0.13 pct
** GFI GROUP INC, $4.47, +43.73 pct
CME Group, the world's largest futures exchange operator, said it would buy derivatives broker GFI Group for its businesses that provide software for energy and foreign exchange trading.
** CHEMTURA CORP, $23.4, -7.03 pct
The chemical maker's second-quarter profit missed estimates - its second straight miss - hurt by higher costs at a unit that makes petroleum additives, plastic antioxidants and other chemicals.
** BIG 5 SPORTING GOODS CORP, $9.99, -11.83 pct
The sporting goods retailer reported lower-than-expected profit and sales for the second quarter as same-store sales fell 4.9 percent due to weak demand for firearms, ammunition and related products. The company also forecast third-quarter adjusted earnings of 24-32 cents per share, below the average analyst estimate of 47 cents, according to Thomson Reuters I/B/E/S.
At least four brokerages cut their price targets on the stock.
** GENWORTH FINANCIAL INC, $14.39, -11.50 pct
The financial services company reported a lower-than-expected second-quarter operating income and earnings in its long-term care business, which falls in the life insurance business, also came below estimates due to higher catastrophe claims.
Macquarie Research cut its rating on Genworth's stock to "neutral" from "outperform" and at least two brokerages cut their price targets on the stock.
** NEWFIELD EXPLORATION CO, $41.6, -4.30 pct
The oil and gas producer reported a lower-than-expected second-quarter profit - its first miss in a year - hurt by weak natural gas liquids prices. The company also said it would sell its oil and gas assets in Granite Wash basin in Texas and Oklahoma to Oklahoma City-based Templar Energy LLC for $588 million.
** PFIZER INC, $29.175, -1.00 pct
** BAXTER INTERNATIONAL INC, $76.4, +0.08 pct
Pfizer agreed to buy two of Baxter International's vaccines and a part of a facility involved in their production for $635 million.
** BUFFALO WILD WINGS INC, $143.22, -14.32 pct
Wunderlich Securities and Barclays Capital cut their price targets on the restaurant operator's stock. Buffalo Wild Wings forecast on Tuesday its full-year earnings below the average analyst estimate.
** GOODYEAR TIRE & RUBBER CO, $25.61, -7.18 pct
The biggest U.S. tire maker reported a lower-than-expected quarterly revenue, hurt by lower sales to automakers in North America and Latin America.
** CLOUD PEAK ENERGY, $15.98, +4.17 pct
The coal miner reported a surprise profit for the second quarter as costs at owned and operated mines fell 3.1 percent. Cloud Peak also cut its capital budget for the year to $30 million-$40 million from $40 million-$60 million.
** ROCKWELL AUTOMATION INC, $111.62, -6.96 pct
The company, whose automated systems help factories run smoothly, reported a steeper-than-expected fall in quarterly profit, hurt by lower sales outside the United States and in its largest business.
** RUBY TUESDAY INC, $5.9, -17.02 pct
The restaurant chain operator reported a lower-than-expected fourth-quarter profit. Its revenue fell 2.8 percent as 11 company-owned Ruby Tuesday restaurants were shut.
** AMEDISYS INC, $18.08, +12.51 pct
The company, which runs hospices and provides home health care, reported a better-than-expected rise in adjusted quarterly profit after cutting its operating costs by closing care centers.
** SODASTREAM INTERNATIONAL LTD, $32.88, +10.45 pct
The at-home soda maker reported better-than-expected second-quarter profit and revenue, helped by strong sales in Western Europe and the Asia Pacific region.
** HESS CORP, $101.86, +2.45 pct
The oil and natural gas producer said it planned to form a publicly traded master limited partnership comprising its pipeline and storage assets in North Dakota's Bakken oil shale field.
** COUSINS PROPERTIES INC, $12.49, -1.89 pct
The real estate company said it would offer up to 18 million shares and would use the proceeds to fund the purchase of an office building in Charlotte, North Carolina. Cousins Properties had about 198.4 million shares outstanding as on June 30. The company reported a better-than-expected profit for the second quarter.
** DREAMWORKS ANIMATION SKG INC, $19.6011, -13.48 pct
The company said the U.S. Securities and Exchange Commission was investigating its write-down of film inventory on "Turbo".
** HOSPIRA INC, $55.13, +6.22 pct
The pharmaceutical and medical device maker posted a better-than-expected quarterly profit due to higher sales of specialty injectable drugs, and the company raised its full-year forecast.
** UNITED STATES STEEL CORP, $32.71, +18.21 pct
The company reported a smaller second-quarter loss on Tuesday as steel prices improved, but the impact of bad weather, higher repairs and maintenance costs continued to weigh on earnings.
** AMGEN INC, $129.58, +5.08 pct
The company said on Tuesday it would cut up to 15 percent of its workforce and close plants in a series of moves aimed at reallocating resources as it prepared to introduce new medicines it hopes would drive future growth.
** ENDOCYTE INC, $6.815, +11.36 pct
The drug developer reported better-than-expected quarterly results, boosted by a tripling of revenue due to recognition of previously deferred collaboration revenue.
** RUBICON PROJECT INC, $12.44, +21.72 pct
The online advertising service provider forecast current-quarter revenue above the average analyst estimate. The company said it expected higher revenue from its mobile ad exchange after it partnered with InMob.
** AEGERION PHARMACEUTICALS INC, $35.5, +15.94 pct
The drugmaker said its net product sales rose to $36 million in the second quarter from $6.5 million a year earlier. Sales of the company's cholesterol drug Juxtapid rose 34 percent.
** STURM RUGER & CO INC, $53.28, -7.58 pct
The gunmaker reported lower-than-expected sales for the second quarter, citing lower demand and aggressive discounting by rivals.
** NCR CORP, $32.57, +5.51 pct
The ATM maker reported better-than-expected second-quarter profit and revenue as sales in its financial services business rose 15 percent.
** NUTRISYSTEM INC, $16.01, -10.76 pct
The weight-loss products maker forecast current-quarter profit and revenue below analysts' estimates.
** ZELTIQ AESTHETICS INC, $22.07, +33.03 pct
The medical device maker reported a net income of $2.8 million, or 7 cents per share, for the second quarter compared with a net loss of $3.6 million, or 10 cents per share, a year earlier. (Reporting by Neha Dimri in Bangalore; Editing by Kirti Pandey)