U.S. stock markets have been on a tear so far this year, making it more than understandable that investors might be thinking about some possible selling. One such stock that certainly fits the bill is materials specialist Corning (NYSE: GLW ) . Up around 30% so far in 2012, the company certainly isn't as cheap as it once was, but does that make it a sell? In the most recent edition of our "Ask a Fool" series, Fool contributor Andrew Tonner weighs on in whether he thinks Corning is worth holding onto today.
With the explosive growth of smartphones worldwide, many investors thought they would ride Corning's dominant cover glass to massive investment returns. That hasn't played out yet, as mobile growth has failed to offset declines in the company's core business. In this brand-new premium research report on Corning, our analyst walks through the business, as well as the key opportunities and risks facing it today. Click here to claim your copy.