Key regulator approves merger of Capital One and Discover, paving the way for a new biggest credit card company

Capital One received conditional approval from the Office of the Comptroller of the Currency to acquire and merge with Discover Financial Services, the agency announced Friday.

​ Capital One received conditional approval from the Office of the Comptroller of the Currency to acquire and merge with Discover Financial Services, the agency announced Friday. Read More Breaking News, Latest News and Videos | CNN