JHVEPhoto While up 10% over the past year, shares of Discover Financial (NYSE:DFS) have had a volatile journey. Management turnover and rising credit losses weighed on shares in mid-2023 and January 2024, but this was upset by the surprising news that Capital One Financial (COF) would acquire DFS, sending shares rallying. I last covered DFS before Q4 earnings, rating shares a “sell.” While they did indeed fall on the earnings report as expected, the COF bid later caused shares to rally. As such, shares  ...