**Capital One Is Buying Discover** Capital One is buying Discover Financial in a deal that would marry two of the largest credit-card companies in the U.S. WSJ: The all-stock deal could be announced Tuesday, according to people familiar with the matter. Discover has a market value of $28 billion, and the takeover would be expected to value it at a premium to that. Buying Discover will give Capital One, a credit-card lender with a market value of a ... ⌘ Read more