Australia's Tyro Payments falls after RBA moves to scrap card payment surcharges

** Shares of Tyro Payments TYR drop 7.1% to A$0.855, set for their worst day since June 5, if trend holds

** Earlier in the session, the payments-solutions provider lost as much as 14%

** The Reserve Bank of Australia proposes to remove credit and debit card surcharges - fees paid by customers on transactions

** The RBA's decision covers transactions under EFTPOS - Electronic Funds Transfer at Point of Sale - terminals, also used by TYR to provide payment services

** Co generates revenue from surcharges paid by customers for processing payments through its platform

** About 7.5 mln shares change hands, over 3x the 30-day avg trading volume of about 2.2 mln

** YTD, stock up 6.8%, including the session's losses