Credit

United Services Automobile Association, which serves members of the U.S. military and their families, told customers it’s dropping its partnership with MasterCard Inc. in favor of Visa Inc.

American Express Co., the credit-card issuer grappling with the loss of its biggest partner, posted third- quarter profit that missed analysts' estimates as expenses rose and revenue declined.

Discover Financial Services, the credit-card issuer that's expanded to student lending and unsecured personal loans, posted profit that beat analysts' estimates as the firm bought back about 8 million shares of stock and provisions for loan losses declined.

WEX has agreed to acquire fleet card provider Electronic Funds Source in a stock-and-cash deal.

Barclaycard and travel site priceline.com have extended their co-branding agreement, which means consumers can still get a credit card with pitchman William Shatner's face on it.

Prosper Marketplace, one of the nation’s largest marketplace lenders, has agreed to purchase the consumer finance app maker BillGuard.

Credit-card industry executives always insist that they face strong competition. But the battle between the nation's largest card issuers appears to have intensified in recent months, and it shows no signs of waning.

Alliance Data Systems has agreed to work with Toyota on a new line of private-label credit cards and to manage the Japanese automaker's existing co-branded card program.

Western Union has restored its outbound money transfer service from Greece, following its June suspension due to a temporary shutdown of Greek banks amid the escalation of the country’s debt crisis.

Fidelity Investments is considering dropping American Express and Bank of America to find new partners and better terms for one of the top-rated cash-back credit cards in the U.S., according to people with knowledge of the matter.