“In late 1998, the stock of a tiny, rarely traded building-maintenance company, Temco Services, nearly tripled in a matter of minutes on record-high volume. Why? In a bizarre form of financial dyslexia, thousands of traders bought Temco after mistaking its ticker symbol, TMCO, for that of Ticketmaster Online (TMCS), an Internet darling whose stock began trading publicly for the first time that day.8 Oscar Wilde joked that a cynic “knows the price of everything, and the value of nothing.”