Economy

Follow PBS NewsHour’s complete coverage of the Economy, Wall Street and other financial stories.

After MasterCard International announced that a security breach at CardSystems Solutions Inc., a third-party payment processor, exposed more than 40 million cardholders to potential fraud, CardSystems Solutions admitted it improperly kept consumers' data in its system.

A jury found former Tyco International executives Dennis Kozlowski and Mark Swartz guilty of fraud and grand larceny for stealing $150 million from the company and making $430 million more by manipulating stock prices.

Citigroup Inc., the nation's biggest financial institution, has agreed to pay $2 billion to investors in a class-action lawsuit accusing the company of helping energy giant Enron doctor its financial statements and create off-the-books partnerships.