$Delta Air Lines (DAL.US)$ In terms of share price, after ex...

$Delta Air Lines (DAL.US)$ In terms of share price, after experiencing the ups and downs at the beginning of the year, Delta Air Lines' share price began to rise in February, with an increase of 37% at one time. But by mid-August, the stock price had returned to February's level. Since then, the stock has risen nearly 15%, a total increase of about 32% in the past 12 months.