This week's biggest % winners & losers (July 20 - 24, 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:EXEL (5.59 +42.97%),THOR (62.9 +34.14%),IG (8.07 +20.81%),NEOG (57.53 +18.06%),MMSI (25.17 +15.62%),ADPT(108.9 +11.78%),
• Materials:FTK (16.71 +29.74%)
• Consumer Discretionary:EROS (36.32 +19.71%)
• Information Technology:MKTO (30.39 +27.69%),NTGR (33.8 +14.46%),P (15.96 +14.33%),FTNT (47.99 +13.16%),CLS (12.82 +12.85%),SANM (21.23 +12.15%),AMBA (124.23 +11.8%),SNDK(61.84 +11.64%)
• Financials:SFG (113.45 +46.65%),ASPS (37.72 +30.11%),CISG(8.25 +24.25%)
• Energy:FRO (3.12 +23.81%)

This week's top 20 % losers

• Healthcare:XOMA (0.94 -79.16%),SPNC (16.3 -35.7%),AXON(15.46 -27.32%),AFMD (16.25 -25.9%),BIIB (300.03 -25.86%),HMSY(11.98 -24.94%),QSII (12.65 -23.29%),ESPR (75.91 -23.25%),ADAP(15.81 -21.89%)
• Materials:FCX (12.29 -22.61%)
• Industrials:CVEO (2.02 -24.06%)
• Consumer Discretionary:LOCK (7.79 -51.7%),CZR (4.84 -28.93%)
• Information Technology:TRUE (6.87 -38.33%),ANGI (4.15 -31.63%),LXK (33.91 -25.93%)
• Energy:CHK (8.28 -24.31%),BCEI (9.2 -23.27%),HLX (8.86 -23.22%)
• Consumer Staples:NHTC (25.22 -27.59%)