Think about this quote from the famous investor Walt Deemer, "when the time comes to buy (stocks), you won't want to"...
Here are 10 rules of investing that Bob Farrell, a long time successful money manager, has used to guide his investment decisions over the years (and I try to adhere to them as well):
1. Markets tend to return to the mean (to average) over time.
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 (think about the housing market or the technology bubble).
4. Exponentially 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 a top and the least at a bottom (this is 100% true).
6. Fear and greed are stronger than long-term resolve.
7. Bull markets (good markets) are strongest when they are broad and weakest when they narrow to a handful of blue-chip names.
8. Bear markets (bad markets) have three stages -- sharp down, reflexive rebound, and a drawn out fundamental downtrend.
9. When the experts and forecasts agree, something else is going to happen (don't always follow the crowd).
10. Bull markets are more fun than bear markets (umm yeah!).