This week's biggest % winners & losers : Jan 4 - 8, 16 (wk 1)

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:VCRA (14.23 +16.64%),DVAX (26.79 +10.89%),QURE(18.19 +9.98%)
• Materials:HMY (1.29 +38.86%),IAG (1.68 +18.31%),ABX (8.42 +14.09%),PPP (2.57 +12.72%),AEM (29.56 +12.48%),GFI (3.1 +11.91%),AU (7.9 +11.27%),EGO (3.25 +9.43%)
• Industrials:MCRN (14.37 +14.87%),MG (21.78 +14.09%)
• Consumer Discretionary:MMYT (22.12 +28.9%),NLS (19.36 +15.79%),PLCE (61.29 +11.03%),TWX (71.17 +10.05%)
• Financials:SQQQ (23.02 +23.43%)
• Energy:NGL (13.28 +20.29%)
• Utilities:APU (37.23 +8.64%)

This week's top 20 % losers

• Healthcare:MNKD (0.66 -54.5%),CCXI (4.77 -41.11%),ARDX (10.72 -40.84%),AKBA (8.51 -34.13%),EPZM (10.71 -33.15%),CEMP (21.87 -29.75%),KPTI (9.44 -28.75%),TTPH (7.15 -28.71%),COLL (19.72 -28.29%),NWBO (2.3 -28.13%),GBT (23.4 -27.62%),
• Industrials:GOL (0.42 -27.45%)
• Consumer Discretionary:TCS (4.22 -48.54%),CONN (16.2 -30.98%)
• Information Technology:CUDA (10.73 -42.56%),SUNE (3.41 -33.01%),IMMR (8.31 -28.73%)
• Energy:TOO (4.68 -27.78%)
• Consumer Staples:AVP (2.79 -31.11%),NHTC (23.35 -30.36%)