How asking for "at-best price" and other common practices put corporate FX customers at risk of being overcharged.

How asking for "at-best price" and other common practices put corporate FX customers at risk of being overcharged.

Rise of computers threatens to eliminate need for human traders; probes into possible rate manipulation don't help.

Rise of computers threatens to eliminate need for human traders; probes into possible rate manipulation don't help.

Citigroup currency staff work London evenings to serve clients no longer allowed to deal with colleagues in the U.S.