This week's biggest % gainers & losers : Apr 21- 25, 25 (wk 17)

The following are this week's top percentage gainers and losers, categorized by sectors (over $300 mln market cap and 100K average daily volume).

This week's top % gainers

• Healthcare: RGNX (9.12 +53.45%), MGNX (1.71 +35.32%), CRBP (8.08 +34%), SLDB (3.28 +28.43%), PRQR (1.44 +26.32%), HRTX (2.30 +24.73%), DNLI (15.65 +22.84%), EBS (5.63 +21.75%)

• Materials: NG (4.45 +49.36%)

• Industrials: HCSG (13.53 +42.12%)

• Consumer Discretionary: SNBR (6.97 +32.01%)

• Information Technology: CSIQ (11.32 +51.74%), PI (92.16 +34.21%), PEGA (91.48 +33.85%), NOW (943.57 +22.2%), ICHR (21.11 +21.85%), MCHP (46.86 +21.52%)

This week's top % losers

• Materials: HMY (15.36 -12.51%), IAG (6.97 -11.05%), MERC (4.46 -10.18%)

• Industrials: SAIA (244.93 -26.79%), APOG (39.18 -13.97%), CBZ (66.69 -13.9%), NOC (471.82 -12.69%), ASGN (51.09 -12.27%), ENPH (46.95 -10.64%)

• Consumer Discretionary: HELE (28.42 -15.64%), CHDN (87.99 -13.2%), LKQ (36.96 -12.07%)

• Information Technology: APPF (190.94 -12.73%)

• Financials: SQQQ (31.96 -17.3%), KNSL (419.34 -13.66%), EGBN (17.62 -13.16%)

• Energy: FI (178.26 -14.57%)

• Consumer Staples: AGRO (9.96 -12.55%)