 Even though Americans are traveling more, that's not translating into higher profits. One of the major airlines, Atlanta-based Delta, says it saw its second quarter profits fall by 29 percent, in part due to higher costs and discounts on base-level fares. Delta says for the three months ending in June, it earned $1.31 billion, down from $1.83 billion last year. A mixed close on Wall Street today. The Dow was up 32 points. The Nasdaq fell 364 points. You're listening to NPR.