11 Stocks Moving In Monday's Pre-Market Session

Gainers

• Mattress Firm Holding Corp MFRM shares rose 114.3 percent to $63.74 in pre-market trading as Steinhoff International Holdings NV announced plans to buy Mattress Firm for $3.8 billion, including debt.
• MEI Pharma Inc MEIP rose 11.8 percent to $1.80 in pre-market trading. Helsinn and MEI Pharma reported a strategic deal for the development and commercialization of Pracinostat for the treatment of AML and other hematologic diseases.
• Horizon Pharma PLC HZNP shares rose 8.2 percent to $21.75 in pre-market trading after the company reported better-than-expected Q2 results.
• Yingli Green Energy Holding Co Ltd (ADR) YGE shares rose 6.4 percent to $4.15 in pre-market trading as the company announced preliminary results for the second quarter. Yingli Green expects Q2 net profit margin of 2.5 percent to 3.5 percent.
• Tonix Pharmaceuticals Holding Corp. TNXP rose 4.4 percent to $2.16 in pre-market trading after the company posted results for the second quarter. Tonix reported a quarterly net loss of $0.50 per share, versus a year-ago net loss of $0.73 per share.
• Ocular Therapeutix Inc OCUL rose 3.9 percent to $6.72 in pre-market trading after gaining 14.92 percent on Friday.
• Sothebys BID shares rose 3.6 percent to $33.45 in pre-market trading as the company reported stronger-than-expected results for its second quarter.
• Tyson Foods, Inc. TSN rose 2.9 percent to $75.75 in pre-market trading as the company announced better-than-expected earnings for the latest quarter.
• EverBank Financial Corp EVER rose 2.5 percent to $19.10 in the pre-market trading session after TIAA agreed to acquire EverBank for $19.50 per share in cash.

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Losers

• Dean Foods Co DF shares fell 2.3 percent to $18.40 in pre-market trading after the company reported weaker-than-expected quarterly earnings.
• Shire PLC (ADR) SHPG shares fell 2 percent to $197.06 in pre-market trading after rising 0.14 percent on Friday.