This week's biggest % winners & losers : Jan 15 - 19, 18 (wk 3)

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: JUNO (67.81 +39.1%), NVAX (1.97 +22.36%), GEN (1 +19.4%), COLL (23.38 +16.78%), CORT (23.98 +16.13%)
• Materials: GSV (1.84 +16.46%)
• Industrials: GOL (10.14 +10.7%)
• Consumer Discretionary: GNC (4.78 +28.49%)
• Information Technology: ICHR (32.39 +30.92%), HAWK (45.25 +23.97%), RTEC (28 +15.94%), KEM (19.97 +15.77%), UCTT (26.67 +14.86%), ASML (205.52 +13.63%), MKSI (107 +11.23%), COUP (37.69 +10.85%), HOLI (25.43 +10.81%), BRKS (28.82 +10.76%)
• Consumer Staples: BG (77.56 +11.21%)

This week's top 20 % losers

• Healthcare: CHRS (10.75 -20.96%), OMER (16.7 -14.8%), BLCM (7.8 -12.95%), HALO (17.98 -11.69%), FLXN (23.41 -11.49%)
• Materials: ALB (116.01 -13.11%), ASIX (38.86 -11.3%)
• Industrials: GE (16.26 -13.33%)
• Consumer Discretionary: FTD (6.70 -22.09%), ADNT (71.94 -13%), ENT (1.99 -11.56%)
• Information Technology: IPHI (32.07 -16.98%), ADTN (16.4 -16.75%), RUBI (2.01 -15.55%), ATEN (6.58 -13.19%)
• Financials: ONDK (4.73 -11.75%)
• Energy: BPT (21.45 -17.97%), NE (5.10 -11.61%)