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Midday movers: Caterpillar, EMC, Xoom & More

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Take a look at some of Wednesday's midday movers:

Caterpillar - The maker of tractors and other agricultural equipment declined after reporting sales fell from April to June.

EMC - The provider of data storage gained after it said it would accelerate its buyback program and raised its profit forecast for the current year.

General Dynamics - The provider of aerospace and defense products rose after reporting a better-than-expected quarterly profit.

GlaxoSmithKline - The U.K. drug manufacturer declined after lowering its 2014 outlook.

Hawaiian Holdings - The operator of Hawaiian Airlines rose after posting better-than-expected second-quarter earnings.

Norfolk Southern - The railway fell after its CEO told analysts Wednesday that rules expected to be proposed by the U.S. Department of Transportation limiting train speed would disrupt rail business.

Northrop Grumman - The weapons maker edged higher after raising its 2014 earnings forecast.

Puma Biotechnology - The drug developer soared after its breast-cancer drug yielded positive clinical results.

Talisman Energy - The Calgary-based oil producer rose after saying it had been approached about "various transactions" by Spain's Repsol SA.

Twenty-First Century Fox - The media and entertainment conglomerate declined after Cowen downgraded it to underperform from outperform. The firm also downgraded Time Warner and Viacom.

Xoom -The provider of money transfers fell after saying could post an adjusted loss in the third quarter.

Yum! Brands - The fast-food operator pulled slightly ahead after its China division stopped doing business with the supplier at the center of a meat scandal.

(Read More: See CNBC's Market Insider Blog)

—By CNBC's Rich Fisherman.

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.

  • CNBC Personal Finance Correspondent

  • JeeYeon Park is a writer for CNBC.com. Follow her on Twitter: @JeeYeonParkCNBC

  • 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.