The one thing that stumped me regarding this, was that 'diversified' performed worse then 'non diversified'. Can anyone offer a suggestion as to why?
Q How Diversification Suffocates Your Profits A. - identify one stock that's likely to double in price; or - identify 20 stocks that are likely to double? B. - identify 100 stocks that are unlikely to fall in price; or - identify five stocks that are unlikely to fall in price? "The Winning Investment Habits of Warren Buffett & George Soros" by Mark Tier UQ
Performance Measures I mostly use my broker's account statements. also: http://www.elitetrader.com/vb/showthread.php?threadid=57364