This week's biggest % winners & losers (March 23 - 27, 2015)

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

• Healthcare:ABMD (70.31 +17.18%),IMGN (8.25 +10.89%)
• Materials:AKS (4.49 +10.86%)
• Industrials:NMM (11.08 +13.64%)
• Consumer Discretionary:OXM (70.8 +21.27%),QUNR (41.78 +13.81%),FIVE (35.24 +10.61%)
• Information Technology:KFX (10.92 +44.64%),ALTR (44.41 +20.19%),GLOB (21.07 +18.3%),STMP (67.58 +15.17%),RALY (14.88 +15.08%)
• Energy:FMSA (6.72 +23.99%),CAK (0.52 +21.16%),AXAS (3.26 +12.03%),PGH (3.01 +11.07%),NOG (7.81 +10.78%),EPE (10.74 +10.61%)
• Consumer Staples:KRFT (89.1 +43.85%),DPLO (33.72 +20.9%)

This week's top 20 % losers

• Healthcare:CLDN (21.09 -19.75%),CEMP (32 -19.54%),ESPR (90.65 -19.3%),SCMP (14.5 -18.95%),SGNT (22.83 -18.61%),IDRA (3.43 -18.06%),ZIOP (11.45 -17.6%),LBIO (11.2 -17.59%),ZSPH (40.93 -17.11%),KITE (59.78 -16.85%)
• Consumer Discretionary:APOL (19.2 -30.83%)
• Information Technology:SONS (8 -44.58%),SNDK (64.59 -25.82%),YGE (1.97 -17.57%),ROVI(18.48 -16.76%)
• Financials:WRLD (74.98 -19.69%),ENVA (19.16 -19.05%),NSM (25.02 -16.43%)
• Energy:WLL (30.5 -21.85%),BTU (5.13 -16.45%)