This week's biggest % gainers/losers (October 21 - October 25, 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: MDSO (118.23 +25.6%), FSLR (52.8 +17.95%)
• Services: ATHN (140.6 +35.35%), APOL (27.63 +33.89%), XRS (18.69 +23.86%), CMG (527.5 +19.11%)
• Healthcare: BABY (19.52 +30.56%), AMPE (10.05 +26.35%), CSII (29.04 +26.22%), ANAC (12.86 +24.05%), ALGN (56 +23.17%), ONVO (6.76 +21.25%), GENT (35.33 +18.46%)
• Financial: CLGX (32.11 +19.28%)
• Consumer Goods: FDML (20.53 +26.58%)
• Basic Materials: XTXI (31.04 +55.11%), XTEX (26.07 +34.32%), AEM (30.86 +19.59%), TRQ (4.89 +18.81%), RBY (1.48 +18.11%)

This week's top 20 % losers

• Technology: NQ (10.63 -50.53%), FIO (9.53 -29.35%), AMD (3.33 -21.03%), CREE (60.83 -16.1%), TQNT (7.16 -15.09%)
• Services: UNTD (8.44 -32.89%), ACTG (15.58 -19.62%), DRYS (2.87 -18.62%)
• Industrial Goods: CVA (17.27 -15.7%), ICA (7.71 -15.68%)
• Healthcare: ZIOP (3.62 -30.12%), RPRX (18.34 -29.81%), ARIA (3.56 -25.56%), IMMU (4.4 -16.8%), OSIR (14.85 -15.9%), INSM (14.69 -15.61%)
• Financial: NOAH (17.93 -16.73%)
• Consumer Goods: ACAT (50.4 -15.68%)
• Basic Materials: CAM (53.25 -17.12%), PVG (3.64 -15.01%)