Gainers easily outpaced falls on NZX today, with the best performer Seeka up 3.9% or 17c to $4.04. Spark rallied 13.5c to $5.165. a2 Milk gained 17c at $6.32. Vulcan Steel added 14.5c at $8.17, and Auckland Airport was up 8c to $7.74. Marsden Maritime, Mercury, PGG Wrightson, Scales, Restaurant Brands, and Chorus each put […]