A federal judge rules Zale (ZLC) can continue to use advertising that claims its diamonds are...

|About: Zale Corporation (ZLC)|By:, SA News Editor

A federal judge rules Zale (ZLC) can continue to use advertising that claims its diamonds are the brightest in the world in advance of a trial on the issue. The case against Zale was brought by Sterling Jewelers, a unit of Signet (SIG).