Incisive investors should look out for breakout stocks to get unmatched returns. However, stocks mostly trade within a narrow range during the summer months. Profit-taking does take place in the weaker period from May through October, particularly after an incomparable November to April.  The broader S&P 500, since 1928, has posted a paltry average gain of 2.1% from May to October, less than the 5.2% gain from November to April, per Dow Jones Market Data. The “Sell in May & Go Away” thesis, in reality, sugg ...