Morgan Housel uses historical data to rank past presidents on various criteria - stock market, profit growth, GDP, and inflation. Bob Dieli : The "C Score" which is a weekly estimate of his Enhanced Aggregate Spread (the most accurate real-time recession forecasting method over the last few decades). Market Overview and Outlook Josh Brown explains ( Rules-based tactical vs wizardry and witchcraft ) why you should not attempt to imitate big-firm pronouncements by following their calls.