** Shares of Fisher & Paykel Healthcare Corporation FPH.NZ fall 4.8% to NZ$33.4

** Stock down as much as 7.1%, hits lowest level since March 25

** The medical equipment maker says costs would likely increase for FY26 due to the new U.S. tariffs

** The U.S. tariffs may add to co's timeframe to achieve its gross margin target, co adds

** However, co doesn't anticipate material impact from U.S. tariffs on its net profit after tax for FY2025

** Stock down 8.6% this year, as of last close

(Reporting by Sherin Sunny in Bengaluru)

((Sherin.Sunny@thomsonreuters.com))