- Capital One is buying Discover for $35 billion in biggest deal so far this yearwww.cnn.com/2024/02/19/business/capital-one-buying-discover/index.html#:~:text=Discover%27s%20payment%20network%20is%20used%20by%20over%20305%20million%20cardholders.&text=Capital%20One%20announced%20it%27s%20acquiring,the%20competitive%20credit%20card%20market