There are no summertime blues for the stock market, at least not yet. The S&P 500 may have briefly dipped back below 1,400 today (annoyingly after the video below was recorded) but the rally has delivered 10 per cent returns since shares bottomed out at the start of June.
Can it last? History is not kind to rallies which start in the summer: what starts in the summer tends to end in the summer.
The chart below highlights four summer rallies since 1970, defined as consecutive monthly gains in June, July and August, to the first of the next month. Change the definition slightly and there were also summer rallies in 2003, 2006 and 2009, but the story remains identical. Read more


James Mackintosh is the Financial Times' Investment Editor, writing and presenting the daily Short View column and video. In 16 years at the FT his posts have included comment editor, motor industry editor and hedge funds correspondent, as well as spells in the Parliamentary lobby and Paris. He was the first reporter hired for FT.com, joining two weeks before it launched.
John Authers is the Financial Times' Senior Investment Columnist, writing the Saturday Long View and a regular Monday column. In a 22-year career at the FT, his previous posts have included global head of the Lex column, investment editor, US markets editor, Mexico City bureau chief and US banking correspondent. His latest book is The Fearful Rise of Markets.