PARIS (Reuters) – French stock market regulator AMF has fined three Dutch equities traders and a Dutch company between 80,000 and 400,000 euros ($422,000) each for manipulating prices through a technique known as “layering.” The AMF said on Tuesday that between 2013 and 2016 the traders manipulated the prices of several financial instruments, including shares, traded on the Euronext bourse in Paris. It said they did this through fast and multiple orders, creating the impression of strong selling or buying pressure, only to cancel orders just before execution, which created imbalances in order …