Second-quarter global corporate travel sales at American Express dropped 2 percent year over year to $4.95 billion,

the sixth consecutive quarter of decline. The company's U.S. and international consumer travel sales increased 3 percent and 5 percent, respectively. Overall, the company's billed business during the second quarter grew 7 percent, and cards in force and average basic cardholder spending each increased 4 percent. Quarterly net income improved by 5 percent to $1.4 billion.