This week's biggest % winners & losers : Oct. 16 - 20, 2017 (wk 42)

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: SPPI (19.32 +44.61%), CRBP (7.75 +13.97%), CYH (6.44 +11.61%), THC (14.66 +11.48%), TXMD (5.11 +11.46%)
• Materials: VHI (3.36 +14.68%)
• Industrials: GWW (207.81 +14.78%), SALT (8.2 +13.1%),
• Consumer Discretionary: SKX (33.99 +39.59%), ASNA (2 +12.36%), EXPR (6.62 +12.2%), BOOT (8.3 +11.71%), SCSS (33.99 +10.97%)
• Information Technology: TEAM (50.01 +26.16%), SYNT (24.22 +24.88%), NPTN (5.46 +15.43%), CREE (33.82 +15.17%), ADBE (175.46 +13.99%)
• Energy: CLD (4.58 +25.14%)
• Utilities: TERP (13.56 +13%)

This week's top 20 % losers

• Healthcare: ARDX (5.55 -23.71%), MNKD (4.13 -21.85%), TRVN (1.76 -19.63%), CELG (121.4 -11.04%)
• Materials: KLDX (3.22 -16.15%), HMY (1.66 -11.7%)
• Industrials: UAL (59.9 -11.35%)
• Consumer Discretionary: TACO (12.65 -16.61%), CTRP (48.43 -12.25%)
• Information Technology: SNCR (11.43 -19.22%), BMI (43.8 -14.79%), BHE (30.5 -14.08%), NCR (33.05 -11.96%), AAOI (41.41 -11.91%), MTSI (36.99 -11.06%)
• Financials: VIRT (14.3 -16.13%)
• Energy: KEG (10.58 -14.75%), FMSA (3.88 -14.73%), SPN (8.85 -12.98%)
• Consumer Staples: SVU (15.03 -25.59%)