Tyson shares sink on full-year warning

Tyson Foods Inc., the biggest U.S. meat processor, warned it may not be able to achieve its profit forecast for the year ending September due to export disruptions in its beef business and high cattle costs. The company had previously forecast full-year profit of $3.30-$3.40 per share, according to Reuters.

In premarket trading today, the company's shares dropped 7.6 percent.

In the third quarter, the Springdale, Ark.-based company reported a 4 percent increase in sales to $10.1 billion. Net income moved up to $343 million, or 83 cents per share.

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