April 17 (Reuters) - The U.S. Justice Department is preparing an antitrust suit against a ‌few major egg producers, including Cal-Maine Foods ‌and Versova, over alleged price coordination, the Wall Street Journal ​said on Friday, citing people familiar with the matter. Shares of Cal-Maine Foods were down nearly 5% in extended trading following the news. U.S. egg producers ‌have been facing ⁠a growing wave of class action lawsuits accusing them of price fixing, amid ⁠consumer frustration over higher pri ...