First Security Group Inc (NASDAQ:FSGI) Investor Alert: Investigation of Takeover by Atlantic Capital Bancshares, Inc

San Diego, CA -- (ReleaseWire) -- 05/20/2015 -- An investigation on behalf of investors, who currently hold shares of First Security Group Inc (NASDAQ:FSGI), was announced concerning whether the takeover of First Security Group Inc. by Atlantic Capital Bancshares, Inc for a value of approximately $2.35 per share is unfair to NASDAQ:FSGI stockholders.