This week's biggest % gainers & losers (February 24 - 28, 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: TQNT (12.24 +31.04%), COMM (24.22 +24.57%)
• Services: ZU (68.39 +73.79%), STRA (47.77 +43.55%), JCP (7.28 +32.21%), CECO (7.39 +30.6%), DANG (14.06 +27.16%), SSTK (99.38 +24.72%)
• Industrial Goods: BLDP (3.7 +55.65%)
• Healthcare: ITMN (30.04 +123.89%), ESC (31.53 +45.71%), PRAN (11.31 +42.87%), SNSS (6.55 +32.92%), KIN (22.56 +30.11%), ANIK (39.37 +26.02%), ASPX (24.7 +24.51%)
• Financial: AMBC (34.56 +26.26%)
• Basic Materials: AMRS (4.57 +29.81%), DNN (1.63 +25.4%)

This week's top 20 % losers

• Technology: LMOS (14.52 -18.71%), GRPN (8.31 -17.12%), NIHD (1.15 -16.77%), CRCM (18.51 -16.05%), RP (17.7 -13.08%), SEAC (10.55 -11.86%), DMD (4.85 -11.57%)
• Services: UTIW (9.84 -30.22%), LITB (8.47 -21.68%), VLRS (9.28 -17.89%), NCMI (15.36 -13.17%), EDU (27.84 -12.22%), BGFV (15.18 -11.76%)
• Industrial Goods: DGI (31.08 -22.97%), CLH (47.26 -14.35%), MRC (25.74 -13.23%)
• Healthcare: VVUS (6.03 -14.68%), QCOR (60.75 -13.32%)
• Basic Materials: SFY (10 -18.19%), RIOM (2.13 -11.72%)