This week's biggest % winners & losers : Sept 14 - 18, 15 (wk 38)

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:ITCI (55.6 +111.97%),AERI (27.87 +51.55%),TTPH (12.54 +44.3%),TRVN (13.3 +29.76%),QURE (33.41 +21.49%),OCUL (20.19 +21.33%)
• Materials:IAG (1.79 +21.77%),KGC (1.85 +21.71%)
• Consumer Discretionary:GTN (13.74 +23.23%),CVC (33.13 +19.17%)
• Information Technology:SHOP (35.66 +35.28%),FIT (40.72 +25.68%),MXL (12.8 +24.27%)
• Energy:BXE (2.02 +32.89%),CLNE (5 +22.85%),LNCO (3.09 +22.62%),ERN (4.77 +18.66%)
• Consumer Staples:TAP (84.38 +21.67%)
• Telecommunication Services:OIBR (0.94 +34.1%),OIBR.C (0.91 +27.46%)

This week's top 20 % losers

• Healthcare:RPTP (7.01 -41.73%),RMTI (10.2 -14.5%),GI (14.06 -14.01%)
• Materials:TMST (12.78 -18.08%),CLF (3.08 -15.85%)
• Industrials:CLC (46.54 -15.75%),APOG (48.96 -13.39%)
• Consumer Discretionary:CMLS (0.96 -18.64%),LQ (16.05 -13.76%)
• Information Technology:SIGM (7.13 -17.95%),RMBS (11.64 -14.73%),LPSN (7.9 -13.66%),ACLS (2.9 -13.43%)
• Financials:ASPS (25.78 -14.61%),GSBD (20.4 -13.23%),OCN (7.15 -13.23%)
• Energy:BTU (1.41 -14.55%),HK (0.83 -14.46%),BTE (3.98 -12.91%)
• Consumer Staples:FRPT (9.99 -12.9%)