This week's biggest % winners & losers (August 3 - 7, 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:IPCM (79.37 +43.14%),LXRX(11.38 +34.83%),MRGE (7.08 +28.96%),LHCG(51.12 +26.88%),NXTM (17.99 +25.98%),CO(6.97 +25.81%),ABMD (95.68 +23.52%)
• Materials:TSE (29.49 +21.06%)
• Industrials:EGL (30.44 +38.93%),KFRC (28.15 +20.45%)
• Consumer Discretionary:CZR (6.86 +31.67%),TWOU (38.31 +19.38%),LGIH (23.31 +19.29%),BBW (20.75 +18.91%)
• Information Technology:STMP (84.4 +23.03%),SSNI (13.31 +18.84%),RTEC (13.25 +18.09%)
• Financials:TREE (121.04 +45.97%)
• Consumer Staples:NUS (47.23 +19.12%),HLF(59.68 +18.2%)

This week's top 20 % losers

• Healthcare:AAC (17.77 -53.25%),FLDM (12.85 -35.85%),BCRX (10.9 -29.59%)
• Materials:CENX (5.18 -44.42%),CSTM (6.54 -41.08%),LXU (23.01 -37.66%)
• Industrials:TNET (18.52 -31.1%)
• Consumer Discretionary:LL (12.06 -37.51%),ETSY (13.44 -35.51%),ICON (14.92 -31.34%)
• Information Technology:SALE (8.62 -43.1%),SSTK (33.65 -37.02%),SUNE (14.96 -35.74%),TNGO (7.09 -35.66%),NPTN (5.76 -34.99%)
• Financials:PHH (15.6 -37.5%),RCAP (4 -31.39%),ONDK (9.18 -31.34%),GNW (4.82 -31.24%)
• Energy:PAGP (17.7 -30.97%)