This document discusses performance evaluation of investments and portfolios. It covers the following key points in 3 sentences: Abnormal performance is measured against benchmarks adjusted for market and risk factors. Various risk-adjusted return measures are used, including the Sharpe Ratio, Treynor Ratio, and Jensen's Alpha, to evaluate performance based on different investment assumptions. Performance attribution decomposes overall returns into components related to allocation decisions, security selection, and market conditions to explain sources of performance differences from a benchmark.