Five banks fined over $3bn in foreign exchange probe

[caption id="attachment_807265" align="aligncenter" width="600"] Traders were found to have attempted to rig key forex benchmarks over a period of almost six years. (Image copyright: 1000 Words| Shutterstock.com)[/caption] Regulators in the U.K., U.S. and Switzerland imposed penalties of $3.2 billion Wednesday on...