Delta Air Lines, Inc. (NYSE:DAL) shares are trading lower today. The company is reportedly being sued by passengers who allege the carrier refused to issue full refunds following delays or cancellations caused by last month’s major computer outage. Passengers accused Delta of breaching their contract by failing to provide automatic refunds and offering only partial refunds in exchange for waivers against further legal claims, reported Reuters. They also argued that Delta should compensate them for rebooking costs, hotel and food expenses, and the inconvenience of being separated from their luggage. One of the plaintiffs, John Brennan of Florida, claimed that he and his wife missed a $10,000 anniversary cruise after being stranded in Atlanta on a layover, ...