The Computer and Technology group has plenty of great stocks, but investors should always be looking for companies that are outperforming their peers. Is Corning (GLW) one of those stocks right now? Let's take a closer look at the stock's year-to-date performance to find out.Corning is one of 617 individual stocks in the Computer and Technology sector. Collectively, these companies sit at #14 in the Zacks Sector Rank. The Zacks Sector Rank considers 16 different groups, measuring the average Zacks Rank of t ...