These two stocks seem to be excellent value and have been sold off unfairly due to near-term earnings headwinds.It's always interesting to monitor stocks to buy during earnings season if the market overreacts to any negative news. With that in mind, I think Delta Air Lines (DAL 1.52%) and Hexcel Corporation (HXL 2.28%) are worth a look. Both stocks were sold off recently, and I think the market is treating them a little too harshly. Here's why.Delta Air Lines and market cyclicalitySupply and demand set pric ...