This week's biggest % winners & losers : Dec 26 - 30, 16 (wk 52)

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:KANG (17.33 +21.02%)
• Materials:IAG (3.85 +14.24%),PVG (8.24 +12.26%),AGI (6.84 +11.22%),AG (7.63 +11.06%),FSM (5.65 +10.78%),AUY (2.81 +10.63%),SLW (19.32 +10.09%), SSRI (8.92 +9.99%),ABX (15.98 +9.83%),PPP (0.79 +8.63%),BVN (11.28 +8.46%)
• Consumer Discretionary:KATE (18.67 +31.94%),JMEI (5.01 +11.58%),HTHT (51.84 +8.86%)
• Information Technology:MBLY (38.12 +9.73%),SFUN (3.28 +9.33%),
• Financials:WMIH (1.55 +10.71%),OZM (3.31 +9.24%)
• Energy:CRC (21.29 +14.09%)

This week's top 20 % losers

• Healthcare:CEMP (2.8 -54.84%),OPK (9.3 -21.91%),ELGX (5.72 -20.45%),SGEN (52.77 -14.69%),NTLA (13.11 -11.72%),CORT (7.26 -10.59%),PTLA (22.44 -10.45%),IONS (47.83 -10.45%),AVXS (47.73 -10.43%),FMI (17.7 -10.15%),AMPH (18.42 -9.84%),PGNX (8.64 -9.72%),NVAX (1.26 -9.35%),ALNY (37.44 -9.32%),NH (9.94 -9.31%),NH (9.94 -9.31%),ATRA (14.2 -9.27%),SRNE (4.9 -9.26%)
• Information Technology:TWLO (28.85 -10.46%)
• Financials:NCT (3.76 -12.76%)