This week's biggest % gainers/losers (May 20 - 24, 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

• Utilities: EBR (2.97 +16.14%)
• Technology: JASO (8.03 +45.69%), SCTY (48.78 +31.1%), YGE (3.19 +23.17%), VSAT (71.57 +19.78%), GAME (3.59 +19.54%), FLTX (29.74 +18.06%), WFR (7.45 +16.86%), HPQ (24.21 +16.39%)
• Services: WBSN (24.8 +32.08%), SKS (15.49 +30.06%), RUE (42.03 +24.77%), DANG (6.11 +16.37%)
• Industrial Goods: XONE (45 +16.6%)
• Healthcare: MNKD (6.55 +32.75%), ARIA (19.57 +18.03%), INSM (12.93 +17.8%), GTXI (5.89 +16.76%)
• Basic Materials: CENX (9.86 +18.41%), PEIX (4.63 +17.58%)

This week's top 20 % losers

• Technology: ARUN (13.3 -24.7%), CRUS (17.36 -20.22%), IGTE (14.23 -12.46%), SWI (41.01 -12.14%), SAAS (7.36 -11.67%), RHT (48.49 -9.78%), CAVM (31.85 -9.76%), ADNC (14.77 -9.42%)
• Services: HGG (13.91 -10.55%), SSI (23.26 -10.43%)
• Industrial Goods: ICA (8.04 -22.68%), PGTI (8.03 -11.68%), OSIS (57.85 -11.33%), RAVN (31.26 -11.3%), NCS (15.06 -9.94%)
• Healthcare: IRWD (12.83 -14.25%)
• Financial: BSMX (14.92 -11.47%), APO (25.04 -10.34%)
• Basic Materials: HK (5.54 -11.11%), CHKR (14.32 -10.9%)