Bedding retailer Mattress Firm (MFRM), which priced its IPO at $19 last night, opened for...

|About: Mattress Firm Holding Corp. (MFRM)|By:, SA News Editor

Bedding retailer Mattress Firm (MFRM), which priced its IPO at $19 last night, opened for trading at $21.55 a short while ago. Shares are currently changing hands at $22.15, good for a 16.6% gain. (S-1 filing)