This week's biggest gainers & losers (August 18 - 22, 2014)

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

• Technology:IRF (39.1 +53.77%),CMGE (18.65 +25.63%),GOGO (17.65 +19.93%),SWIR (27.52 +15.2%)
• Services:AEO (13.46 +23.45%),ARO (3.52 +21.43%),HMSY (22.76 +17.41%),SGMS (9.9 +16.88%)
• Industrial Goods:TASR (15.71 +25.02%),CBPX (15.53 +17.09%)
• Healthcare:FOLD (5.87 +22.68%),SLXP (158.96 +18.82%),DEPO (14.8 +17.88%)
• Financial:LEJU (18.41 +19.49%)
• Consumer Goods:MNST (86.37 +22.12%)
• Basic Materials:BXE (7.77 +15.7%),PBR.A (18.28 +14.85%),PBR (17.2 +14.68%),PQ (6.42 +14.59%),GDP (19.15 +14.56%)

This week's top 20 % losers

• Technology:COUP (12.67 -18.02%),YOKU (19.09 -13.04%),BNFT (33.32 -11.72%),FEYE(28.01 -11.41%)
• Services:JMEI (32.18 -11.03%),TEDU (14.45 -9.55%)
• Healthcare:ITCI (15.62 -17.7%),EPZM (33.58 -16.47%),ARWR (12.8 -11.91%),XON (20.09 -11.83%),FMI (23.01 -10.25%),NWBO (6.11 -9.81%),VNDA (12.51 -9.49%),OMER (12.85 -9.47%),AERI (16.73 -9.4%)
• Financial:NOAH (15.3 -12.64%)
• Consumer Goods:RDEN (16.92 -15.18%),FN (15.7 -12.13%)
• Basic Materials:SDR (6.69 -10.61%),WLT (5.79 -9.71%)