This week's biggest % gainers & losers (April 21 - April 25, 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: CBEY (9.82 +39.46%), SANM (21.03 +23.99%), SPWR (34.18 +19.7%), VDSI (11.17 +18.41%), SWKS (41.46 +17.73%), TWOU (14.86 +17.41%)
• Services: SHLD (41.81 +28.63%), TEDU (8.91 +28.41%)
• Healthcare: SRPT (36.7 +57.61%), GWPH (62.12 +52.11%), CYTK (4.59 +43.22%), PRTA (38.58 +41.15%), RVNC (34.33 +33.25%), ANIP (31.24 +32.03%), AGN (168.15 +26.74%)
• Financial: XOOM (22.3 +18.72%)
• Consumer Goods: RDEN (35.68 +29.17%), MOD (16.22 +20.31%)
• Basic Materials: HGT (9.61 +21.58%), SYRG (12.2 +18.4%)

This week's top 20 % losers

• Technology: HEAR (9.28 -24.72%), CSLT (14.06 -24.42%), MDSO (39.77 -18.65%), PLUG (5.37 -15.11%), ATEN (12.75 -14.51%), GRUB (31.26 -13.7%), WIT (11.8 -13.2%), ATHN (127.81 -12.38%), UIS (25.03 -11.87%)
• Services: BEBE (5.2 -17.96%)
• Healthcare: RARE (35.25 -16.34%), XLRN (32.5 -15.74%), KPTI (25.63 -14.94%), IPCM (41.66 -13.32%), ONVO (5.55 -13.09%), QDEL (20.95 -11.68%)
• Financial: MGI (13.5 -24.46%), TBBK (15.92 -13.11%)
• Consumer Goods: MYE (19.93 -12.05%)
• Basic Materials: EROC (4.38 -16.39%)