This week's biggest % winners & losers : July 17 - 21, 17 (wk 29)

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: QDEL (37.71 +38.54%), NVAX (1.48 +26.5%), VRTX (163.17 +24.57%), SRPT (43.41 +23.15%), MCRB (13.74 +22.02%), ONCE (69.02 +16.27%), AGEN(5.05 +15.3%)
• Consumer Discretionary: CONN (22.23 +17.28%), NFLX (188.54 +17.02%), SNI(78.75 +16.25%), MNRO (48.35 +16.23%), DDS (67.91 +14.71%), EROS (13.5 +14.41%)
• Information Technology: JKS (27.36 +18.39%), SYNT (19.4 +16.03%), ADTN (23.3 +14.22%)
• Financials: AMBC (20.17 +13.12%)
• Energy: CLMT (5.15 +24.1%), SDRL (0.44 +15.79%)
• Utilities: AVA (52.29 +23.56%)

This week's top 20 % losers

• Healthcare: INO (6.01 -24.5%), AXON (21.06 -13.26%), PRTK (21.35 -11.23%), RDUS(42.22 -10.93%)
• Materials: SHLM (26.63 -13.56%)
• Industrials: IIIN (26.3 -21.61%)
• Consumer Discretionary: TTS (13.95 -30.94%), HZO (14.65 -25.26%), STON (7.6 -16.21%), CMG (345.34 -12.76%), SPWH (4.44 -12.6%)
• Information Technology: ERIC (6.29 -15.34%), EGOV (16.35 -12.8%), QIWI (20.26 -10.83%)
• Financials: BFR (15.75 -11.32%), NTRS (87.84 -10.47%)
• Energy: SND (6.5 -17.09%), FMSA (3.11 -16.84%), DNR (1.36 -13.38%), ANW (5.15 -11.97%)