*British Chambers of Commerce: British business is disappointed by the MPC's decision to cut interest rates by just a half percent

*BoE: Outlook for business and residential investment has deteriorated

*BoE: Output is likely to continue to fall sharply during the first part of this year

*BoE: World trade growth this year is likely to be the weakest for some considerable time

*Pound shows strength against majors amid BoE rate decision; now worth 0.8990 versus euro