1 Jul 2013 UK: M4 Money Supply drops by 0.1% in May FXstreet.com (Barcelona) - The UK M4 Money Supply decreased 0.1% in May, following a 0.3% rise in April, according to the BoE official data. Analysts expected no change. On an annual basis UK M4 Money supply fell 0.1% in May, as well as in April.