True enough, forecasting stock prices into the far far future can make a fool out of anyone.

FORBES: Insane Bulls And Bears

He found that this smoothed the extremes of the ratio and improved its long-term stock market return forecasting ability.

FORBES: How To Put The Current Market Into Historical Context

Past stock returns have a high correlation with current advisor sentiment while current advisor sentiment has no value in forecasting future stock returns.

FORBES: Experts at Guessing the Past

With nearly 5, 000 measurements for about 60 gurus, including bulls and bears and technicians and fundamentalists, they have achieved a critical mass in assessing the forecasting acumen of the stock market gurus as a group.

FORBES: Gurus are Still Wrong After 80 Years

The first component is stock market fundamentals, which incorporates valuations and forecasting.

FORBES: It's Time To Sell Strength To Risky Levels