Why I Downgraded GLW: Analyst

Piper Jaffray upgraded Corning from "neutral" to "overweight" saying the company is on target to generate more growth. Corning is down more than 40% in one year. Is the worst over? Jagadish Iyer, analyst at Piper Jaffray, explains why he made the call.

CNBC | February 6, 2012

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