Britain's Ftse 100 Closes down 3.2 Pct

U.s. Comptroller's Office Routinely Works With Banks to Ensure They have established "appropriate Risk Management Controls" for a Variety of Emerging Contingencies Such As This" - Spokesman

U.s. Comptroller says "carefully Monitoring Developments" After Brexit

Italy's Bank Sector Index Ends down 22.1 Pct; Unicredit down 23.8 Pct, Intesa down 22.9 Pct

Italy's Ftsemib Ends down 12.5 Pct, Its Biggest One-Day Loss Since Records Began in 1998