American Express is attracting new customers despite increasing the annual fees on two of its most popular cards. In September, it hiked the annual fee on its Platinum Card from $695 to $895 but also rolled out more perks.The company more than makes up for this shortfall from discount revenue (merchant fees) -- which accounted for 69.8% of total revenue in 2024. However, net card fee revenue increased by 39.2% from 2022 to 2024 compared to a 14.5% increase in merchant fee revenue, indicating a huge uptick i ...