A Random Walk Down Wall Street

Let's Look at the Record 229 An Appraisal of the Evidence 232 The Quant Quest for Better Measures of Risk: Arbitrage Pricing Theory 234 A Summing Up 237 10. The Assault on the Random-Walk Theory: Is the Market Predictable after All? 240 Predictable Patterns in the Behavior of Stock Prices 242 1. Stocks Do Sometimes Get on One-Way Streets 243 2.