U.S. HOT STOCK FUTURES: HOT STOCKS TO WATCH

Among the companies with shares expected to actively trade in Friday's session are LinkedIn Corp. (LNKD), American International Group Inc. (AIG) and Weight Watchers International Inc. (WTW).

LinkedIn's second-quarter earnings increased 33% as the professional social network continued to record increased membership rolls and revenue growth across its businesses. Shares rose 9.9% to $234.02 premarket as results were better than expected and the company again raised its full-year revenue targets.

AIG will resume paying a common-stock dividend for the first time since the depths of the financial crisis, a clear sign of the giant insurer's turnaround. Shares were up 4.8% to $49.35 premarket.

Weight Watchers' second-quarter earnings fell 16% on a $20 million debt-refinancing related charge, while its weight-loss meetings business continued to be hurt by weak revenue. The company said Chief Executive David Kirchhoff resigned. Shares tumbled 14% to $40.26 in premarket trading as Weight Watchers cut its 2013 per-share earnings guidance.

Alpha Natural Resources Inc.'s (ANR) second-quarter loss narrowed following large write-downs and restructuring charges a year earlier, though coal revenue dropped amid continued weak demand for the fuel. Shares fell 4.6% to $5.19 premarket after the company lowered the high end of its coal shipment guidance for the year.

Audience Inc.'s (ADNC) second-quarter earnings fell 38% as the audio-processing firm recorded weaker margins and increased tax expense. Shares, which had been halted ahead of the release, plummeted 21% to $10 premarket as the company said it expects an adjusted loss for the third quarter, when analysts were expecting a profit. Audience also forecast third-quarter revenue below Wall Street estimates.

Brinker International Inc.'s (EAT) fiscal fourth-quarter earnings fell 1.4% as the operator of the Chili's Grill & Bar and Maggiano's Little Italy chains posted flat systemwide same-restaurant sales and a slight increase in costs. Shares rose 3.2% to $42.25 premarket after the company reported adjusted earnings ahead of expectations.

Boyd Gaming Corp. (BYD) said its offering of 16.5 million shares priced at a 6.3% discount to Thursday's closing price. The casino operator, which has about 87 million shares outstanding, said the offering priced at $12. Shares were off 6.3% to $12 premarket.

MercadoLibre Inc.'s (MELI) second-quarter profit rose 18% as the online marketplace posted growth in the number of users and items sold. Shares jumped 12% premarket to $136.02.

ValueClick Inc.'s (VCLK) second-quarter profit fell 42% as an impairment charge weighed on the Internet advertising company's results. Shares slid 17% to $20.85 premarket as results fell short of ValueClick's expectations and the company provided weak current-quarter guidance.

Westport Innovations Inc.'s (WPRT) second-quarter loss widened from a year earlier as revenue fell and costs increased. Shares of Westport, which makes natural gas engines and vehicles, were down 9% to $29 in premarket trading as results fell short of analyst expectations and the company lowered its full-year revenue outlook.

Alaska Communications Systems Group Inc. (ALSK) shares jumped 51% to $3.86 premarket as the integrated telecommunications provider recorded second-quarter results that beat Wall Street estimates.

Gas pipeline owner Williams Partners L.P. (WPZ) and 3D human-issue developer Organovo Holdings Inc. (ONVO) on Thursday disclosed plans to sell units and shares, respectively, of their companies. Units of Williams Partners fell 5% to $49.50 in premarket trading, while Organovo fell 7.7% to $4.94.

 
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Activision Blizzard Inc. (ATVI) raised its financial outlook for the year, following second-quarter results that fulfilled a pre-announcement last week as the videogame maker prepares for the holiday shopping season.

AVG Technologies NV's (AVG) second-quarter earnings surged as the Internet and mobile security provider posted double-digit revenue growth and stronger operating margins.

CC Media Holdings Inc. (CCMO) swung to a second-quarter profit as it recorded a gain related to the sale of an investment in Sirius XM Radio Inc., while sister company Clear Channel Outdoor Holdings Inc. (CCO) also posted a profit as interest expense fell.

Consolidated Edison Inc.'s (ED) second-quarter earnings slid 20% as the utility company reported weaker revenue from its electric business and higher operating expenses.

Edison International's (EIX) swung to a loss in its second quarter as the company booked an impairment charge related to the early retirement of the San Onofre nuclear plant in California.

Ellie Mae Inc.'s (ELLI) second-quarter earnings fell 26% as the maker of mortgage-origination software logged higher expenses, masking revenue growth.

Home Properties Inc.'s (HME) second-quarter profit soared 97% as the apartment real-estate investment trust reported higher rental rates and slightly lower expenses, while a key profitability metric rose from a year ago.

Intuit Inc. (INTU) lowered its current-quarter and full-year outlook as the financial software provider said it has completed the divestiture of its financial services business.

Kraft Foods Group Inc.'s (KRFT) second-quarter profit climbed 37% as the foods company recorded a $604 million gain related to pensions, masking falling revenue as demand slid for dressings and Jell-O.

Leap Wireless International Inc.'s (LEAP) second-quarter loss sharply widened as the pay-as-you-go wireless provider recorded a steep loss tied to a debt payment and lower revenue due to fewer subscribers.

Liberty Global PLC (LBTYA, LBTYB) swung to a second-quarter loss on higher costs and fewer gains, though its revenue jumped due to its Virgin Media acquisition.

Mohawk Industries Inc.'s (MHK) second-quarter earnings rose 16% as the carpet and flooring supplier posted stronger ceramic, laminate and wood sales following several acquisitions, though margins slipped. The company beat estimates for the quarter and forecast stronger-than-expected third-quarter earnings.

ON Semiconductor Corp.'s (ONNN) second-quarter profit soared from the prior-year period on smaller impairments and lower costs. The chipmaker's third-quarter guidance came in lower than analysts' expectations.

OpenTable Inc.'s (OPEN) second-quarter profit jumped 45% as the online restaurant reservation provider reported balanced growth in North America and markets abroad, though shares fell on the company's muted outlook commentary. The company gave a third-quarter profit outlook that missed Wall Street's expectations and a more muted view for full-year profitability.

Pacira Pharmaceuticals Inc.'s (PCRX) Exparel drug didn't meet it primary goals as an intercostal nerve block for a certain type of surgery when compared with a placebo in a second Phase 3 clinical trial.

PerkinElmer Inc.'s (PKI) second-quarter profit fell 17% as the manufacturer of health-testing equipment reported higher restructuring and contract termination costs.

Public Storage's (PSA) second-quarter profit rose 31% as the real-estate investment trust benefited from higher rents and occupancy.

Standard & Poor's Ratings Services downgraded RadioShack Corp.'s (RSH) junk-rated debt another notch, adding pressure on the struggling electronics retailer to shore up its finances.

Skullcandy Inc. (SKUL) swung to a second-quarter loss as the maker of headphones continued to report steep sales declines. Revenue fell short of analyst expectations.

Southwestern Energy Co. (SWN) swung to a second-quarter profit as the oil and gas company increased production and got help from higher natural gas prices.

Tenaris SA's (TS, TEN.MI) second-quarter earnings fell 5.6% as the producer of steel casings and pipes for the energy industry reported weaker tube sales in North America and Europe.

Tesoro Corp.'s (TSO) second-quarter earnings were down 41% as an increase in operating expenses and lower oil prices masked the independent refiner's increase in revenue and production.

Write to Anna Prior at [e-mail]

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