What percent does he own of those properties? What percent does he own of his own companies, especially after sent and all other liabilities are netted out? This is the homework NYT still can improve upon … Factor in dollar cost averaging, and scale guys investment return to today’s dollars (or rubles, if you prefer), then finish him off with net profit or loss, how he did vs CPI, and whether he’d have done better investing his money in CDs, S&P 500, or a competitor, such as Hilton.