Citigroup Inc. the biggest financial institution in the United States has agreed to pay $ 2 billion to settle class action lawsuit brought by Enron investors. It said money will be distributed to investors who purchased Enron stocks and debt securities between September, 1997, and December, 2001, when the energy-trading company collapsed in an accounting scandal.

The software giant, Microsoft’s deadline to comply with remedies imposed for violating antitrust laws is inching closer.