Market timing is as tempting to investors as the Sirens of Greek mythology, whose enchanting voices lured sailors to their doom. Investment timing gone awry can leave you feeling powerless, fearful and in a panic. Yes, there really was a Madam Marie, whose real name was Marie Castello, both a psychic and an inspiration to Bruce Springsteen. A more quantitative approach is the efficient market hypothesis (EMH). The semi-strong form claims that prices reflect all publicly available information and that prices instantly change to reflect new public information.
Source: The Herald May 29, 2021 10:04 UTC