 Boston, Massachusetts--Newsfile Corp. - September 14, 2021 - Block Leviton announces that a class action lawsuit has been filed against ATI Physical Therapy Inc. NYSE: ATIP and certain of its officers for securities law violations. Investors who purchased shares between April 1, 2021 and July 23, 2021 and have lost money are encouraged to contact the firm to learn more about how they might recover those losses. For more details, visit is this... 