July 29 (Reuters) - Hershey Co raised its full-year sales forecast on Thursday, as the company’s away-from-home business rebounded with the reopening of the U.S. economy. The U.S. chocolatier said it expects 2021 net sales to rise between 6% and 8%, compared with a prior forecast of 4% to 6% growth. (Reporting by Mehr Bedi in Bengaluru; Editing by Aditya Soni) Our Standards: The Thomson Reuters Trust Principles.