This week's biggest gainers & losers (September 8 - 12, 2014)

The following are this week's top 20 percentage gainers and top 20 percentage losers, categorized by sectors (over $300 mln market cap and 100K average daily volume).

This week's top 20 % gainers

• Technology:SSNI (12.13 +22.91%),JDSU (13.43 +22.57%),DQ (47.71 +21.96%),WB (23.81 +19.61%),MBLY(50.87 +19.51%),IMPV (33.25 +15.81%),OIBR-C (0.68 +15.75%)
• Services:LE (44.77 +31.56%),MGAM (36.84 +31.18%),GPRO(69.18 +28.64%),TPUB (22.02 +15.91%)
• Healthcare:ECYT (8.58 +25.74%),CMRX (28.27 +23.05%),BDSI (18.15 +19.15%),RDNT (7.64 +18.35%),HZNP(11.81 +18.19%),RCPT (59.67 +16.99%)
• Financial:GFIG (6.02 +31.4%)
• Consumer Goods:BNNY (46 +36.41%)
• Basic Materials:SNMX (9.89 +24.29%)

This week's top 20 % losers

• Utilities:PGN (7.16 -14.15%),CIG (7.2 -11.93%),ELP (15.43 -11.04%)
• Technology:VNET (19.87 -42.69%),EOPN (11.2 -23.16%),GTAT (12.82 -18.6%),SFUN (10.65 -11.04%),TWOU(15.61 -10.29%)
• Healthcare:KERX (14.34 -18.57%),RPRX (14.52 -13.06%),OREX (5.16 -11.85%)
• Financial:LEJU (14.58 -12.55%),WRLD (71.54 -11.07%)
• Consumer Goods:TOUR (17.98 -10.37%)
• Conglomerates:REX (89.26 -10.36%)
• Basic Materials:AU (13.45 -17.67%),CAK (0.51 -15.71%),GGB (5.32 -11.07%),ANR (3.44 -10.11%)