As we enter what BofA's chief technician Stephen Suttmeier calls "the dreaded month of September", the recent market swoon, where the S&P has dropped in a straight diagonal line for over 100 points since Sept 1...
... reminds us why this has traditionally been the weakest month for markets: seasonality going back to 1928 shows that September is the worst month of the year for the S&P 500, which is up just 44% in September with an average loss of -1.16% and -0.49% median.
