LOOSE CHANGE

LOOSE CHANGE

Royal Bank of Scotland's treasury and capital markets "house warming" last week at its new London dealing room (FX Week, October 31) was an opportunity for some lively exchanges of gossip. Older hands recalled life before exchange controls were lifted in 1979 -- "$20 million would move the market by a cent and we often did that just to liven things up," one guest said. The recently appointed treasurer at the London office of a New York bank then recounted how he gave his FX traders a quiz s