4 Min Read WASHINGTON (Reuters) - Shares of video game retailer GameStop Corp surged nearly 700% over the past week as retail investors piled in to the stock, appearing to be urged on by bullish posts in popular online forum Reddit as opposed to any fundamental changes in the company’s finances or prospects. GameStop’s interstellar surge has sparked calls for regulatory scrutiny. Why? A GameStop is pictured amid the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., January 27, 2021. REUTERS/Carlo Allegri MARKET MANIPULATION U.S. law bars the dissemination of false or misleading information with the aim of manipulating investors into buying or selling securities, as seen during a rash of “pump and dump” schemes during the early 2000s dot.com boom.