Delta Air Lines shares surged 4.84% on Monday, closing at $69.08 and beating most major U.S. carriers amid a broad rally in airline stocks. In early Tuesday premarket trading, the stock slipped 0.1% to $69.01 as of 4:30 a.m. EST. Monday’s volume reached 10.1 million shares, well above the 50-day average of 7.7 million. Delta remains 5.58% below its 52-week high set on Jan. 6. Meanwhile, United Airlines Holdings Inc. climbed 4.92%, Southwest Airlines Co. gained 4.46%, and American Airlines Group Inc. rose 2.93%.