This week's biggest % winners & losers : Sept 11 - 15, 17 (wk 37)

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:HALO(16.25 +23.95%)
• Materials:SQM(58.06 +19.86%),FTK(5.7 +18.75%)
• Industrials:BLDP(4.43 +33.03%), BW(3.55 +28.62%)
• Consumer Discretionary:NCMI(6.87 +33.4%),AMC (16.95 +26.97%), TLRD(14.55 +19.36%),BZH(17.61 +18.75%),PIR(5.2 +18.18%)
• Information Technology:UCTT(26.96 +20.84%),CSOD(41.07 +19.81%),BZUN(37.7 +19.46%)
• Financials:HRTG(12.87 +37.35%),UVE(21.25 +19.05%)
• Energy:REN(30.11 +24.01%),TTI(2.49 +21.46%),CRZO(13.78 +21.09%),EMES(7.93 +20.7%)
• Telecommunication Services: I (4.64 +17.47%)

This week's top 20 % losers

• Healthcare:ADXS(4.81 -35.09%),SAGE(62.36 -28.32%),NLNK(12.67 -28.3%),GKOS(31.4 -25.24%),ACHN(3.7 -24.64%),CRIS(1.72 -20.37%),ICPT(94.88 -18.84%),LXRX(12.37 -16.02%),BEAT(32.7 -14.95%),HZNP(12.11 -12.44%),BCRX(5.15 -11.97%)
• Materials:AGI(7.4 -12.43%),USCR(70.7 -11.4%),CSTM(9.7 -10.6%),CLF(7.13 -10.43%)
• Industrials:EFX(92.98 -24.55%),TRU(41.61 -12.4%),HTZ(20.57 -11.26%)
• Consumer Discretionary:IRBT(79.81 -16.14%)
• Information Technology:VDSI(11.05 -10.53%)