** Shares of PaySauce PYS.NZ rise 4.4% to NZ$0.165, set for their strongest trading session since late February, if gains hold

** The New Zealand-based payroll software provider logs processing fee revenue of NZ$6.3 million ($3.74 million), a rise of 18% compared from last year

** Co attributes upbeat results to an 11% increase in the number of customers

** Shares hit their highest level since May 2

** Stock down 19.5% YTD, including current session's moves

($1 = 1.6835 New Zealand dollars)