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Thursday reaffirmed earnings guidance ahead of a presentation to analysts and investors later today.

The New York-based communications-equipment maker backed its previous forecast for fourth-quarter revenue of $950 million to $1 billion and EPS of 10 cents to 12 cents, excluding items. The consensus forecasts are $993.6 million and 12 cents a share.

Corning said shipments of liquid crystal display, or LCD, glass in Taiwan weakened in November after strong results in October, adding that fourth-quarter sequential volume growth "will be up 3% at best and could be flat with the previous quarter."

The company also said its telecommunications segment's quarter-to-date sales are stronger than expected.

Corning executives will discuss their outlook at a CSFB technology conference in Scottsdale, Ariz.

Shares closed at $12.84 Wednesday.