In a famous research paper, is Huberman and Regev (2001) details how a feature story in the New York Times caused the stock of Entremed Inc. to increase fourfold overnight. Yet, as the authors carefully show, virtually all of the facts reported in the NYT story had been previously published in scientific journals. This is evidence that: The weak form of the efficient market hypothesis doesn't hold The semi-strong form of the efficient market hypothesis doesn't hold The weak form of the efficient market hypothesis is valid The semi-strong form of the efficient market hypothesis is valid