Premarket Gainers / Losers as of 9:10 am

• Gainers: RDUS +17%. TRVN +15%. VALE +9%. PBR-A +8%. OAS +8%. PBR +7%. PSTI +7%. FCX +6%. TCK +6%. GRPN +6%. NQ +6%. WLL +6%. MT +5%.
• Losers: CMRX -29%. LL -18%. TRXC -10%. LSG -8%. CDE -6%. IAG -6%. GFI -5%.