HOUSTON--(BUSINESS WIRE)--Mattress Firm Holding Corp. (NASDAQ: MFRM) today announced that the Company will release financial results for the second quarter of the 2015 fiscal year before the market opens on Friday, September 11, 2015. The Company will host a conference call for investors and other interested parties beginning at 8:30 a.m. Eastern Time on Friday, September 11, 2015. The call will be hosted by Steve Stagner, chief executive officer, Alex Weiss, chief financial officer, and Scott