CCL ▼ -0.9% - Carnival Corporation Ltd. $CCL - Carnival Cruise Line and Barclays Launch New Carnival Rewards Mastercard to Accelerate Travel Experience Through Everyday Purchase Power Carnival Corporation shares declined 0.9% today despite the company's announcement of a new co-branded credit card partnership with Barclays designed to give customers rewards on everyday purchases and cruise bookings. The modest pullback suggests investors may be digesting the announcement cautiously, or the market's focus remains on other factors affecting the cruise operator's near-term outlook. 01-SEP-2026 10:01 AM ET