After-Hours Buzz: BA, LNKD, ATVI & More

Check out which companies are making headlines after the bell Thursday:

Boeing - The Federal Aviation Administration said it is lifting 787 grounding for test flights. The purpose of the test flights will be to gather data on battery and electrical system performance. It was unclear when the tests would start. Shares edged higher in extended-hours trading. (Read More: 787 Battery Safety 'Must Be Reconsidered': NTSB)

LinkedIn - The social-networking website posted earnings of 35 cents a share, excluding one-time items, on revenue of $304 million, blowing past expectations for 19 cents a share on revenue of $280 million. In addition, the company handed in current-quarter revenue guidance that exceeded Wall Street expectations, sending shares sharply higher in extended-hours trading.

(Read More: Stocks End Off Lows, but EU Weighs; Apple Up 3%)

Activision Blizzard - The videogame publisher posted earnings of 78 cents a share, excluding one-time items, on revenue of $2.6 billion, topping expectations for 72 cents a share on revenue of $2.44 billion. Meanwhile, the company handed in current-quarter guidance that exceeded Wall Street expectations, but a weaker-than-expected 2013 outlook. Shares rose in extended-hours trading.

Hasbro - The toymaker posted earnings of $1.20 a share, excluding one-time items, edging past expectations by a penny a share, while revenue was in line with consensus at $1.28 billion. Additionally, the company boosted its quarterly dividend to 40 cents a share from 36 cents a share.

Coinstar - The movie and game rental kiosk company posted earnings of 75 cents a share, edging past expectations by 2 cents a share, but revenue was much lighter than expected at $564 million versus estimates for $580 million. In addition, the company handed in a much weaker-than-expected current-quarter outlook, sending shares sharply lower in extended-hours trading.

OpenTable - The restaurant-reservation website posted earnings of 46 cents a share, excluding one-time items, missing expectations by 3 cents a share, while revenue matched projections at $43 million. In addition, the company handed in a current-quarter and 2013 outlook that fell below estimates, sending shares sharply lower in extended-hours trading.

Microchip Tech - The semiconductor company posted earnings of 41 cents a share on revenue of $416 million, beating expectations for 37 cents a share on revenue of $411 million. Also, the company handed in better-than-expected current-quarter forecasts, and increased its quarterly dividend to 35.3 cents a share from 35.2 cents a share, sending shares higher in extended-hours trading.

Nuance Comm. - The computer software company posted earnings of 35 cents a share, excluding one-time items, missing estimates by a penny a share, while revenue was in line with projections at $462 million. In addition, the company handed in current-quarter earnings guidance that was in the lower end of the range, sending shares sharply lower in extended-hours trading.

PVH - The parent company of Tommy Hilfiger and Calvin Klein will replace Big Lots in the S&P 500 index, while Big Lots will take PVH's place in the S&P MidCap 400 index.

RadioShack - The consumer-electronics retailer announced that Joseph Magnacca of Walgreens has been appointed CEO of the company. Magnacca has also been named a member of RadioShack's Board of Directors.

Skullcandy - The maker of headphones and headsets announced its CEO Jeremy Andrus will step down. In addition, the company said it expects to see its full-year 2012 earnings in the lower end of its previously announced range. Shares edged lower in extended-hours trading.

Biogen Idec - Citi upgraded the biotechnology company to "buy" from "neutral" and boosted its price target to $187 from $160.

NetEase - The Chinese Internet company was upgraded to "buy" from "hold" at Deutsche Bank. Shares gained in extended-hours trading.

—By CNBC's JeeYeon Park (Follow JeeYeon on Twitter: @JeeYeonParkCNBC)

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