Nine types of behavior that plague investor
1. Loss aversion – expecting to find high returns with low risk
2. Narrow framing – making decisions without considering all implications
3. Mental accounting – taking undue risk in one area and avoiding rational risk in another
4. Diversification – seeking to reduce risk, but simply using different sources
5. Anchoring – relating to familiar experiences even when inappropriate
6. Media response – the tendency to react to news without reasonable examination
7. Regret – treating errors of commission more seriously than errors of omission
8. Herding – copying the behavior of others, even in the face of unfavorable outcomes
9. Optimism – the belief that good things happen to them, while bad things happen to other people
Source: Hypergrowth Investing