This week's biggest % winners & losers (August 24 - 28, 2015)

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

• Healthcare:ARIA (9.9 +49.37%),EGRX (83.67 +27.84%),EPZM (20.1 +26.18%)
• Materials:MTL (1.08 +47.48%),TANH (29.91 +35.28%),HCLP (16.05 +26.88%)
• Energy:VNR (9.62 +50.08%),CAM (65 +47.76%),LINE (3.3 +36.93%),BTU (2.39 +34.27%),CWEI (49.03 +32.76%),MEMP (7.21 +31.09%),LGCY (6.63 +29.24%),BBEP (2.9 +28.89%),CLNE (5.17 +28.61%),CJES (5.13 +26.35%),UPL (8.36 +26.09%),FELP (8.13 +25.46%),MDR (4.66 +24.93%)
• Utilities:GAS (60.56 +26.54%)

This week's top 20 % losers

• Healthcare:OMER (15.5 -26.05%),NVLS (15.21 -24.55%),NK (18.56 -22.02%)
• Materials:HMY (0.91 -15.4%),AUY (1.96 -14.78%),SYT (67.93 -11.3%),KGC (1.84 -11.11%),ABX (7.13 -10.99%),RGLD (48.94 -10.95%)
• Consumer Discretionary:GRBK (11.95 -11.35%)
• Information Technology:DAKT (8.64 -26.15%),GLOB (27.56 -15.62%),FIT (33.8 -12.55%),HIVE (6.37 -11.89%)
• Financials:ASPS (25.48 -12.92%),SQQQ (24.4 -11.01%),TIER (14.55 -10.74%)
• Telecommunication Services:OIBR (0.75 -11.13%)
• Utilities:POM (23.01 -14.87%),CIG (2.21 -10.89%)