South Africa's Constitutional Court ruled on Tuesday that competition authorities can pursue forex-rigging claims against six banks including JPMorgan Chase, BNP Paribas and HSBC, clearing the way for a full hearing of allegations that global lenders colluded to manipulate the rand more than a decade ago. The ruling preserves one of South Africa's largest market-manipulation cases after years of litigation.

Local banks walk free after Constitutional Court ruling

The Competition Commission's attempt to prosecute several banks for currency manipulation faced a setback in the Constitutional Court, with significant implications for the…