This week's biggest % winners & losers (January 18 - 22, 2016)

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:ESPR (18.79 +36.46%),CMRX (8.97 +25.1%),VSAR (14.04 +24.91%),DVAX (25.45 +20.9%)
• Industrials:BGG (19.1 +20.81%)
• Information Technology:SYNA (76.12 +20.61%)
• Financials:RSE (17.82 +32.1%),ECPG (21.39 +26.27%)
• Energy:ECR (1.3 +62.74%),UPL (2.45 +41.62%),GLNG (17.99 +32.67%),SWN (8.77 +30.9%),GMLP (13.1 +28.68%),LINE (1.28 +28%),CNX(6.16 +23.45%),CRC (1.56 +21.88%),RRC (26.5 +21.28%),UNT (8.67 +20.92%),BTE (1.97 +20.86%),NGL (12.21 +20.53%)

This week's top 20 % losers

• Healthcare:ALKS (36.16 -42.01%),CSII (8.74 -33.13%),CHMA (9.46 -23.52%),FLDM (6.7 -22.81%),NVCR (13.81 -22.37%),CFMS (11.55 -15.75%),AXDX (14.9 -15.24%),SRPT (12.11 -15.2%),MCRB (24.88 -15.17%),GKOS (16.34 -14.54%)
• Materials:FTK (6.29 -14.19%)
• Industrials:EGL (14.2 -51.8%),TPC (10.68 -22.04%)
• Information Technology:HDP (11.89 -28.24%),DGII (8.78 -16.14%)
• Financials:TCBI (33.46 -15.99%),LION (16.63 -15.02%),MTG (6.3 -14.98%)
• Energy:CJES (1.77 -34.69%),CCLP (6.59 -22.01%)