After-Hours Buzz: NWSA, PFE, RAX & More

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

News Corp. — The media giant reported adjusted fiscal first-quarter earnings of 43 cents per share, beating Wall Street forecasts for 38 cents per share. Revenue for the quarter was $8.14 billion, shy of Street expectations for $8.16 billion in revenue. (Click here for after-hours quote.)

(Read More: Stocks End Higher on Election Day; Dow Up 1%.)

Pfizer — The Food and Drug Administration approved Pfizer's new drug to treat rheumatoid arthritis, two weeks ahead of the date the agency was expected to complete its review. (Click here for after-hours quote.)

Rackspace — The cloud-computing company posted earnings of 19 cents per share on net revenue of $336 million. Earnings were in line with analysts' forecasts. (Click here for after-hours quote.)

Arena Pharmaceutical —The biopharmaceutical company said it lost 7 cents per share on revenue of $1.5 million. Analysts were looking for a loss of 9 cents per share. The company will also launch its anti-obesity drug Belviq in South Korea. (Click here for after-hours quote.)

ImmunoGen— The drug developer announced the FDA granted priority review status to its trastuzumab emtansine breast cancer drug. (Click here for after-hours quote.)

Tripadvisor —Stifel Nicolaus started coverage of the online travel site with a "buy" rating, and a $44 price target. (Click here for after-hours quote.)

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