Weaker than forecast non-iPad tablet demand, along with the completion of orders for the holiday season iPad buildup, have pushed Corning to lower its guidance for CY4Q, now down 25 percent from the previous quarter, reports UBS analyst Maynard Um in a note to investors. He estimates that Apple bought around 80 percent of the glass company's Gorilla Glass output through early December, making the company the major client for Corning and a leading indicator of iPad demand.
