This week's biggest % winners & losers (June 1 - 5, 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:IMGN (14.66 +63.25%),HRTX (26.11 +32.14%), JUNO (68.48 +30.08%),DRRX(3.23 +24.23%),AXDX (27.21 +21.91%),ONTY (4.08 +19.31%),RVNC (30.51 +19.16%),BRLI(39.47 +18.81%),MNKD (6.12 +18.18%),PRTA (46.59 +18.13%),BCRX (13.01 +16.06%),BLCM(28.68 +15.93%),AFMD (12.09 +15.91%)
• Materials:OMG (34.58 +30.29%)
• Industrials:EHIC (17.66 +15.65%)
• Consumer Discretionary:GIII (68.49 +20.45%),BOOT (28.76 +17.58%),QUNR (51.58 +16.98%)
• Information Technology:SINA (56.09 +37.71%),QIHU (62.94 +20.92%)

This week's top 20 % losers

• Healthcare:PBYI (138.79 -28.99%),RGLS (10.54 -25.35%),OCUL (21.52 -10.96%),FPRX(22.85 -10.88%),MDVN (118.13 -10.54%)
• Industrials:ESL (94.35 -12.78%)
• Consumer Discretionary:CZR (6.49 -30.66%),VNCE (12.27 -22.93%),LE (24.99 -15.03%),NEWM (18.72 -14.99%),BOJA (24.5 -10.97%),AXL (22.49 -10.43%)
• Information Technology:VMEM (2.71 -19.1%),DATE (7.92 -14.65%),BZUN (10.93 -10.56%)
• Financials:IRM (32.65 -10.47%)
• Energy:MHR (1.64 -10.38%)
• Telecommunication Services:GSAT (2.32 -12.45%),MBT (9.33 -10.8%)
• Utilities:FGP (22 -10.97%)