This week's biggest % winners & losers : Oct 8 - 12, 18 (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: ACIU (8.64 +11.77%)
• Materials: HMY (2.02 +20.96%), SBGL (3.22 +19.26%), AU (9.7 +14.25%), GFI (2.79 +12.5%), GORO (5.74 +11.46%)
• Industrials: ESL (116.48 +30.31%), GOL (7.37 +14.98%)
• Information Technology: IMPV (55.36 +26.16%)
• Financials: GCAP (7.52 +12.74%)
• Energy: AM (32.88 +10.56%)
• Consumer Staples: REV (24.46 +21.27%)
• Utilities: CIG (2.85 +30.73%), EBR (5.42 +11.52%)

This week's top 20 % losers

• Healthcare: MNTA (16.1 -24.31%), LGND (202.59 -20.32%), AXDX (16.55 -17.91%)
• Materials: FRTA (5.56 -24.25%), TSE (61.49 -24%), FOE (18.6 -17.92%)
• Industrials: FLR (46.71 -20.45%), HEES (30.81 -20.22%)
• Consumer Discretionary: EROS (10.4 -18.37%)
• Information Technology: SQ (73.97 -21.4%), BLKB (74.08 -20.8%), MB (33 -20%)
• Consumer Staples: CHEF (30.56 -20.23%)
• Telecommunication Services: FTR (5.37 -21.15%)