This week's biggest % winners & losers : Oct 5 -9, 15 (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

• Materials:TROX (7.41 +57.66%),CENX (6.93 +49.35%),TCK (7.46 +46.27%),SID (1.4 +42.83%),HBM (5.59 +39.05%),AUY (2.49 +35.33%),VEDL (6.83 +34.18%)
• Industrials:UTIW (7.13 +60.22%),CPA (61 +38.64%),NAV (16.27 +33.69%)
• Consumer Discretionary:LL (18.84 +33.62%)
• Information Technology:PMCS (10.29 +38.49%)
• Energy:CRC (4.71 +56.48%),SGY (8.61 +50%),BTE (4.76 +44.24%),UNT (17.87 +42.62%),BXE (2.19 +37.74%),CJES (5.2 +35.77%),BTU (24.49 +35.01%),HK(0.97 +34.74%)

This week's top 20 % losers

• Healthcare:EXAS (8.5 -53.09%),HLTH (3.82 -30.55%),BCRX (8.8 -29.26%),LDRH (26.67 -25.48%),RDUS (57.8 -23.84%),ATRC (18.32 -18.4%),ALDR (28.8 -17.93%),INCY (105 -16.97%),CXRX (37.02 -15.67%),SCMP(18.19 -15.32%),ADAP (8.01 -13.96%),RARE (90.7 -13.36%),SPNC (10.9 -13.08%),DVAX (23.86 -12.02%)
• Materials:TANH (6.76 -34.87%),RBY (0.53 -30.72%)
• Consumer Discretionary:TCS (11.9 -21.4%),SHAK (44.05 -12.09%)
• Information Technology:RDWR (14.34 -13.98%)
• Consumer Staples:NUS (36.64 -16.95%)