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After-hours buzz: Apple, IBM, Intel, Yahoo & more

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

AAR - The provider of products and services to the aviation industry reported fourth-quarter earnings per share of 43 cents on $505.4 million in revenue. Estimates called for EPS of 41 cents on $510 million in sales. Shares slid in after-hours trading.

Apple - The iPhone maker is partnering with IBM to produce made-for-business applications. Shares of Apple rose in after-hours trading; IBM also gained.

Read MoreApple, IBM in massive enterprise hardware, software partnership

Trader on the floor of the New York Stock Exchange.
Getty Images
Trader on the floor of the New York Stock Exchange.

Cintas - The supplier of work uniforms reported fourth-quarter earnings per share of 76 cents, excluding items, on $1.16 billion in revenue, versus estimates of EPS of 75 cents on $1.17 billion in sales. Shares fell in after-hours trading.

CSX - The rail service tallied second-quarter earnings per share of 53 cents on 3.24 billion revenue, versus expectations of EPS of 52 cents on $3.25 billion in sales. Shares edged lower in after-hours trading.

Google - Shares edged higher after news former Ford CEO Alan Mulally would join the search engine's board of directors.

Intel - The maker of computer chips posted second-quarter earnings per share of 55 cents on $13.83 billion in revenue. Analysts had expected EPS of 52 cents on $13.69 billion in sales. Shares rose in after-hours trading.

Yahoo - The online search engine reported adjusted second-quarter earnings per share of 37 cents, ex-TAC, on $1.04 billion in revenue, compared to expected EPS of 38 cents on $1.08 billion in sales. Shares rose in after-hours trading.

Read MoreYahoo enters deal with Alibaba to reduce shares it must sell

—By CNBC's Kate Gibson

Questions? Comments? Email us at marketinsider@cnbc.com

  • Patti Domm

    Patti Domm is CNBC Executive Editor, News, responsible for news coverage of the markets and economy.

  • A CNBC reporter since 1990, Bob Pisani covers Wall Street from the floor of the New York Stock Exchange.

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  • Rick Santelli joined CNBC Business News as an on-air editor in 1999, reporting live from the floor of the Chicago Board of Trade.

  • Senior Producer at CNBC's Breaking News Desk.