1) The document analyzes how different investment horizons and herding behavior impact investor returns over multiple market cycles from 2001-2008.
2) It tracks sales volatility and changes in investor herding to identify phases where returns were most impacted by shifts in sentiment.
3) The analysis finds that discipline around selling, rather than buying, had a greater impact on returns. Investors with medium-term horizons of 2-5 years tended to perform best when taking a bearish stance, while bullish investors favored longer horizons of 5+ years.