The adage “sell in May and go away, don’t come back till St Leger Day” must be one of the most hackneyed anachronisms in City parlance, perpetuated by unimaginative financial commentators and statisticians who cannot find anything more productive to do with their time. In some years, this phrase may turn out to be prescient, but whether the predicted outcome, i.e. a fall in the market between May and September, will actually materialise would really depend on the prevailing m