STEVENSON, Md.--(BUSINESS WIRE)--The securities litigation law firm of Brower Piven, A Professional Corporation, has commenced an investigation into possible breaches of fiduciary duty and other violations of state law by the Board of Directors of Steiner Leisure Ltd. (“Steiner” or the “Company”) (NasdaqGS: STNR) relating to the proposed buyout of the Company by Catterton for approximately $834 million. Under the terms of the transaction, Steiner shareholders are anticipated to receive $65.00 i