Midday Movers: YUM, BIG & More

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

Yum Brands - The fast food chain's stock was hit hard by food safety concerns in China. In a statement, Chinese regulators said that Yum's KFC was supplied with chicken in China that contained excessive amounts of antibiotics.

Big Lots - The discount retailer moved higher after Citigroup analyst Nathan Rich initiated coverage on the stock at "buy" with a price target of $36.

Goldcorp - The stock turned lower after Credit Suisse cut the gold miner to "neutral" from "outperform" and slashed the target price to $45 from $58.

ArcelorMittal - The world's biggest steelmaker will write down the value of its European business by $4.3 billion.

Greenbrier - The maker of railroad freight car equipment rejected a sweetened offer from American Railcar (ARII), controlled by activist investor Carl Icahn, sending shares lower.

Cintas - The stock is down despite earnings and guidance that were roughly in line with expectations; gross margins were weaker.

On track to be the worst performer this week on the S&P 500: Electronic Arts. The video game maker bounced off intraday lows after the NRA's Wayne LaPierre mentioned violent video games in a speech today but, the stock is still on track to finish down more than 10% this week.

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

—By CNBC's Lori Spechler

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