This week's biggest % gainers/losers (August 26 - August 30 , 2013)

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: MEI (23.91 +30.58%), UBNT (35.06 +17.24%), EGAN (13.5 +15.04%), Z (96.45 +14.51%), AFOP (37.03 +13.4%)
• Services: UEPS (11 +50.89%), ZLC (12.51 +37.97%), RSH (3.27 +15.02%), CARB (15.4 +14.8%), NDLS (45.66 +14.79%), KTOS (8.44 +14.62%), LRN (36.24 +13%), CZR (21.47 +12.46%)
• Industrial Goods: TMS (17.41 +13.35%)
• Healthcare: ASTX (6.55 +23.78%), HITK (43.11 +23.65%), INSM (15.21 +20.88%)
• Financial: CYS (7.68 +13.75%)
• Basic Materials: SYRG (9.33 +15.47%)

This week's top 20 % losers

• Technology: AMAP (11.26 -21.16%), PRKR (3.31 -11.55%), SCSC (30.98 -10.17%), WDC (62 -9.78%)
• Services: ARO (8.13 -23.86%), P (18.42 -14.23%), SEAS (29.93 -11.78%), FLWS (5.44 -11.68%), TFM (48.81 -11.5%), HIBB (51.8 -11.1%), GCO (61.68 -10.36%), NWY (4.9 -10.2%)
• Industrial Goods: NES (2.3 -16.12%)
• Healthcare: CCXI (8.1 -27.29%), ARNA (6.41 -10.44%), OSIR (17.45 -9.53%)
• Financial: DLLR (11.3 -28.24%), NOAH (12.2 -23.24%)
• Basic Materials: NG (2.75 -11.25%), NGD (6.74 -10.3%)