Feb. 1 (Bloomberg) -- The London interbank offered rate is the basis for more than $300 trillion of securities. The banks that set the rate stand accused of rigging it for years to boost profits. Five years after alarm bells first sounded, regulators are handing out fines and criminal sanctions to those responsible for rate manipulation. This story is featured in the March issue of Bloomberg Markets Magazine.
Bloomberg Television's Mark Barton reports. (Source: Bloomberg)