Highest gross margin (%) among #stocks $SPX $SPY 1.  VEIV HOLDINGS, LLC $V: 161.9 2.  ALTIUM LIMITED $ALMFF: 100.2 3.  EHEALTH, INC. $EHTH: 99.3 4.  AGIOS PHARMACEUTICAL. $AGIO: 99.1 5.  NEUROCRINE BIOSCIENC. $NBIX: 99.0 United States United States United States United States United States