Buzzkill: Corning?

Corning was downgraded to "underweight" at Morgan Stanley because of competition and chronic oversupply. So, what's the trade on the stock? The Fast Money traders, weigh in on that, and Rio Tinto's 51% stake in Invanhoe mines.

CNBC | January 26, 2012

Tags:. .oversupply. .underweight. .downgraded. .chronic. .corning