This week's biggest % winners & losers : Oct. 9 - 13, 17 (wk 41)

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: ARDX (7.28 +28.76%), AERI (61.7 +17.19%), FPRX (43.36 +11.62%), LCI (23.25 +10.45%)
• Materials: PVG (12.01 +22.93%), RFP (6.4 +20.75%), FBR (16.32 +11.4%), MERC (13.18 +10.25%)
• Consumer Discretionary: CETV (4.8 +10.34%)
• Information Technology: ICHR (32.55 +23.25%), GLUU (4.35 +15.69%), NTNX (26.6 +14.93%), SOHU (64.96 +13.05%), CEVA (47.55 +11.49%), UCTT (33.54 +10.33%), TYPE (22.15 +10.2%)
• Financials: NOAH (40.13 +13.59%)
• Energy: HLX (7.86 +18.55%), SM (19.04 +12.13%), CVRR (11.35 +11.27%)

This week's top 20 % losers

• Healthcare: ATRS (2.33 -40.23%), NSTG (11.08 -31.52%), ONVO (1.55 -24.02%), SGRY (8.95 -20.8%), ARA (12.49 -19%), CYH (5.77 -18.73%), ADMS (19.05 -17.57%), CBPO (79.98 -16.84%), THC (13.15 -15.97%)
• Industrials: HDSN (5.95 -21.61%)
• Consumer Discretionary: ASNA (1.79 -18.26%), FRED (5.41 -17.15%)
• Information Technology: CCRC (12.79 -20.26%), AAOI (47.18 -18.89%), HAWK (34.9 -18.74%), HIMX (9.33 -15.41%)
• Energy: SDRL (0.29 -22.89%), PKD (0.98 -18.48%), CIE (1.05 -17.32%)
• Utilities: PCG (57.72 -16.15%)