This week's biggest % winners & losers : Jan 7 - 11, 19 (wk 2)

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: LOXO (232.51 +66.23%), INSM (22.7 +52.86%), CHRS (12.37 +42.68%), AMRN (18 +36.36%), CLVS (24.08 +31.3%), EPZM (10.31 +29.85%), NVCR (43.25 +28.64%), NSTG (21.19 +28.35%), SAGE (125.1 +28.29%)
• Consumer Discretionary: BBBY (15.23 +27.45%), CZR (8.71 +23.72%)
• Information Technology: LXFT (57.24 +80.57%), DBD (4 +52.09%), CTK (13 +41.46%)
• Materials: FTK (2.76  +144.25%)
• Energy: QEP (8.51 +39.97%)

This week's top 20 % losers

• Healthcare: LJPC (6.55 -37.74%), AXGN (16.24 -23.79%), COLL (15.95 -14.8%), NUVA (45.54 -9.01%), EVH (18.26 -8.7%), DPLO (12.88 -8.65%)
• Materials: PVG (7.00 -19.82%)
• Industrials: MAXR (5.83 -50.26%)
• Consumer Discretionary: BKS (6.34 -16.58%), HELE (113.65 -15.15%), MTN (187.33 -13.97%), M (25.42 -13.48%), HUD (14.82 -11.58%)
• Information Technology: SGH (24.6 -17.03%), ARLO (7.9 -12.22%)
• Energy: HCLP (3.94 -9.22%)
• Consumer Staples: MED (111.81 -14.71%), ELF (8.21 -12.1%), LW (69.47 -8.08%)
• Utilities: PCG (17.59 -27.91%)