REFILE-Banks chase trading cheats with 'fuzzy' surveillance
November 19, 2014 at 23:30 PM EST
SINGAPORE, Nov 19 (Reuters) - Stung by billion-dollar fines for malpractice on their trading floors, the world's big banks are using 'fuzzy logic' tools such as relationship mapping and behavioural analytics to read the minds of would-be cheats among their traders.
