Visa and Mastercard are expected to report higher quarterly profits this week on steady consumer spending, and analysts will scrutinize how demand for travel and discretionary purchases is shaping up in the face of tariff uncertainty.

Wall Street closely monitors Visa’s payments volume to gauge activity and where customers are making transactions.

The consumer has long been the engine of U.S. economic growth, with consumer-related spending making up about 70% of the economy. Visa (V) and Mastercard's (MA) earnings for the quarter ended June 30,

Visa reported a rise in third-quarter profit on Tuesday, as the payments processing company was helped by strong card spending volumes despite softness in the broader economy.