(For more market insights, including options activity, click on ; for the Day Ahead newsletter link.reuters.com/mex49s; for the Morning News Call newsletter, link.reuters.com/nex49s) U.S. stocks opened slightly lower on Thursday, with the S&P 500 retreating from a record high as investors digested the latest batch of corporate earnings. The Dow Jones industrial average was down 0.29 percent at 16,434.61, the S&P 500 was down 0.17 percent at 1,845.22 and the Nasdaq Composite was down 0.01 percent at 4,214.3.
** GOLDMAN SACHS GROUP, $176.48, -1.27 pct
The bank reported a 21 percent drop in quarterly profit as revenue from fixed-income trading fell in what Chief Executive Lloyd C. Blankfein described as "a somewhat challenging environment."
** BEST BUY CO INC, $27.348, -27.21 pct
The world's largest consumer electronics chain reported a drop in holiday sales and forecast a bigger-than-expected decline in quarterly operating margins.
** APOLLO GLOBAL MANAGEMENT LLC, $35.52, -0.64 pct
** CEC ENTERTAINMENT INC, $54.49, +12.51 pct
Apollo Global said it would buy CEC Entertainment, the parent of Chuck E Cheese restaurant chain, for about $948 million. The fund controlled by billionaire Leon Black will pay $54 per share for CEC, a premium of 11.5 percent to the stock's Wednesday closing.
** BLACKROCK INC, $317.81, +1.62 pct
The world's largest money manager reported a higher-than-expected quarterly profit, benefiting from strong markets and a flow of new money into its exchange-traded funds.
** CITIGROUP INC, $52.97, -3.67 pct
The third-largest U.S. bank posted a lower-than-expected quarterly profit as the bank's fixed-income revenue declined in a "challenging trading environment."
** NU SKIN ENTERPRISES INC, $89.94, -21.95 pct
China's State Administration for Industry and Commerce (SAIC) on Thursday ordered local authorities to investigate media reports that allege that the skincare products company distributes false information and conducts illegal business in China, state news agency Xinhua said.
** YRC WORLDWIDE INC, $15.14, +18.47 pct
The struggling trucker said it was in talks to revise a labor contract after an earlier proposal was rejected by Teamsters union workers.
** HEWLETT-PACKARD CO, $29.56, +2.50 pct
Brokerage BofA Merrill Lynch upgraded the PC maker's stock to "buy".
** AOL INC, $49.67, +5.12 pct
AOL is handing majority ownership of Patch, a money-losing network of local news websites, to New York investment firm and turnaround specialist Hale Global in a joint venture announced by the companies on Wednesday.
** CSX CORP, $26.99, -7.66 pct
CSX on Wednesday posted a fourth-quarter profit that fell short of Wall Street's estimates as rising shipments of chemicals, autos and agricultural products failed to make up for weak coal volumes.
Brokerage Stifel downgraded the stock to "hold" from "buy".
** TESSERA TECHNOLOGIES, $19.56, -8.90 pct
The technology patent company said it expected to recognize a charge of $50 million to $55 million related to restructuring of its DigitalOptics unit. The company said it would record 75 percent of the charge in the fourth quarter, and the rest in the first half of 2014. Tessera said it would stop all DigitalOptics' manufacturing operations, except image enhancement, reduce its workforce by about 300 employees and close its facilities in California, New York, Taiwan and Japan.
** HELEN OF TROY LTD, $55.84, +6.54 pct
The consumer products company said it appointed Julien Mininberg as its new chief executive effective March 1. Mininberg, who headed the company's healthcare and home environment business, replaces Gerald Rubin, who has served as the CEO for the last 14 years.
** SAREPTA THERAPEUTICS INC, $24.06, +20.42 pct
The company said data from an extended study of its drug to treat a rare muscular disorder in young boys showed continued stabilization of walking ability in patients.
The drug, eteplirsen, was well tolerated and there were no adverse treatment-related events or discontinuations at 120 weeks of treatment, the company said.
In October 2012, Sarepta said the trial met its main goal of increasing the level of a key protein after 48 weeks of treatment. The study was extended to monitor the drug's safety and efficacy.
** ZOOM TECHNOLOGIES INC, $5.78, +34.42 pct
The China-based maker of modems and bluetooth wireless equipment said it will acquire Tinho Union Holding Group in an-all stock deal worth about $81 million. Zoom would issue about 9.4 million shares of its common stock and Tinho shareholders would own about 75 percent of Zoom after the transaction closes. Tinho Union offers online ticket booking and related services for business travel.
** J.C. PENNEY CO INC, $6.63, -5.42 pct
The U.S. retailer said on Wednesday it would close 33 stores and cut 2,000 jobs as part of its efforts to return to profitability. Chief Executive Myron Ullman said in a statement the action "addresses a strategic priority to improve the profitability of our stores."
** AMARIN CORP PLC, $2.195, -8.54 pct
The drugmaker said on Wednesday that U.S. health regulators delayed their decision to reconsider a rescinded agreement that could support a marketing application for an expanded use of the company's blood fat-lowering drug.
** TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, $18.16, +3.42 pct
The company painted a bright outlook for its 2014 business, driven by mobile devices and improved margins from its more advanced chips.
** SOLARCITY INC, $73.09, +6.70 pct
Analysts at Deutsche Bank began coverage of the U.S. solar panel installer with a "buy" rating and a price target of $90, saying SolarCity's customer base could double by the end of the year due to a growth in the residential solar market. The price target is 31 percent higher than the stock's Wednesday close.
** HYDROGENICS CORP, $22.2, +7.14 pct
The Canadian fuel cell maker said it received a C$3.8 million ($3.47 million) contract to supply an energy storage application, which would store surplus wind energy as hydrogen. Hydrogenics expects to deliver this project in late 2014, it said early on Thursday.
** INTEL CORP, $26.445, -0.84 pct
The chipmaker reports fourth-quarter results after markets close and some analysts expect the company's revenue could slightly beat already low expectations. Intel is expected to maintain its 2014 forecast for flat sales.
** AMERICAN EXPRESS CO, $87.73, -0.59 pct
** CAPITAL ONE FINANCIAL CORP, $77.1, +0.09 pct
Higher card spending and lower default rates are expected to help American Express and Capital One Financial beat estimates when they report quarterly results after markets close, according to forecasts from StarMine's most accurate analysts.
Compiled by Varun Aggarwal in Bangalore; Editing by Sriraj Kalluvila