Delta Air Lines (DAL) ended the recent trading session at $44.27, demonstrating a -0.02% swing from the preceding day's closing price. This change lagged the S&P 500's daily gain of 0.75%. Meanwhile, the Dow gained 0.58%, and the Nasdaq, a tech-heavy index, added 1%.Coming into today, shares of the airline had gained 14.45% in the past month. In that same time, the Transportation sector gained 2.69%, while the S&P 500 gained 4.03%.Market participants will be closely following the financial results of Delta ...