This week's biggest gainers & losers (May 27 - 30, 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: FORM (7.26 +25.17%), COUP (25.82 +23.84%),JD (25 +19.62%),CMCM (17.77 +19.34%),OVTI (22.48 +18.13%),SYNA (68.08 +17.93%),TRUE (10.96 +17.72%),MOVE (13.08 +17.41%)
• Services:JMEI (27.5 +22.01%),PTRY (16.89 +17.29%)
• Healthcare:RNA (11.03 +66.62%),PTCT (23.71 +54.77%),DYAX (8.25 +24.62%),ASPX (21.15 +24.12%),OREX (6.46 +19.19%),NPSP (31.13 +18.86%),XON (21.09 +18.22%)
• Consumer Goods:HSH (53.28 +47.63%),TOUR (16.39 +43.39%)

This week's top 20 % losers

• Technology:CSLT (15.18 -14.86%),GOMO (12.08 -12.84%),HIMX (6.63 -12.19%),CRTO (28.75 -10.44%),ALOG (68.32 -10.11%)
• Services:BLOX (12.96 -34.18%),DSW (25.05 -24.98%),ESI (17.22 -16%),ARO(3.91 -13.5%)
• Healthcare:CLVS (51.21 -11.57%)
• Consumer Goods:MPAA (23.82 -11.45%)
• Basic Materials:WLT (4.88 -16.15%),SSRI (6.54 -13.15%),CDE (6.84 -12.42%),ANR (3.38 -12.21%),BTG (2.42 -12%),HMY (2.65 -11.67%),SBGL (9.82 -9.83%),PVG (6.41 -9.72%),RBY (0.95 -9.48%)