Bob Farrell spent decades as the head of research at Merrill Lynch, establishing himself as one of the leading market analysts on Wall Street. His insights on technical analysis and general market tendencies were canonized as "10 market Rules to Remember" and have been distributed widely ever since.
2. Excesses in one direction will lead to an opposite excess in the other direction
3. There are no new eras — excesses are never permanent
4. Exponential rapidly rising or falling markets usually go further than you think, but they do not correct by going sideways
5. The public buys the most at the top and the least at the bottom
6. Fear and greed are stronger than long-term resolve
7. Markets are strongest when they are broad and weakest when they narrow to a handful of blue-chip names
8. Bear markets have three stages — sharp down, reflexive rebound and a drawn-out fundamental downtrend
9. When all the experts and forecasts agree — something else is going to happen
10. Bull markets are more fun than bear markets.