Lifshitz Law PLLC Announces Investigations of SVB Financial Group  ( NASDAQ: SIVB ) , Spirit AeroSystems Holdings, Inc.  ( NYSE: SPR ) , Telephone and Data Systems, Inc.  ( NYSE: TDS ) , and Fulcrum Therapeutics, Inc.  ( NASDAQ: FULC )  - Spirit AeroSystems Hldgs  ( NYSE:SPR ) , Fulcrum Therapeutics  ( NASDAQ:FULC )