This week's biggest % gainers & losers : Apr 27 - May 1, 26 (wk 18)

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: ESPR (3.12 +63.09%), CERS (2.70 +36.36%), NVCR (16.52 +32.48%), CNC (53.41 +27.7%), KNSA (54.57 +27.53%)

• Industrials: BOOM (8.46 +31.9%), BE (286.30 +23.85%), TBI (5.87 +23.06%)

• Consumer Discretionary: GPRO (1.73 +29.7%), SNBR (3.03 +28.39%)

• Information Technology: SIMO (231.72 +51%), INSG (20.49 +36.39%), FIVN (22.48 +35.83%), MXL (78.82 +30.67%), NOK (13.34 +27.49%), EGHT (2.43 +26.96%), TWLO (182.35 +26.82%), EXTR (22.27 +26.61%), TEAM (89.64 +25.28%)

This week's top % losers

• Healthcare: SENS (5.03 -28.72%)

• Industrials: BLDR (76.00 -15.6%), NSP (28.09 -14.3%), FLS (71.37 -14.25%), EAF (8.15 -13.48%), SITE (125.63 -13.42%), PNR (79.48 -13.38%)

• Consumer Discretionary: CHH (101.03 -15.15%)

• Information Technology: COMM (12.04 -37.96%), RMBS (112.40 -29.04%), IDCC (288.89 -21.6%), TER (346.79 -17.05%), DQ (19.22 -16.4%), BDC (112.64 -16.18%), CHKP (114.77 -14.78%)

• Financials: TREE (38.31 -20.62%)

• Energy: CLB (14.11 -19.14%)