** Shares of Finnish sportswear firm Amer Sports AS.N rise 0.5% to $37.65 in early trading
** Brokerage Piper Sandler starts coverage with "overweight" rating; sets PT at $45 — a premium of more than 20% to stock's last close
** Brokerage says that with each of the company's three brands in the early growth stages, gradual expansion outside China should help drive low double digit to mid-teens growth
** Estimates negligible impact from China tariffs if they stay at 30% instead of previous 145%, given co's mitigation strategies - Piper Sandler
** Sixteen brokerages rate the stock "buy" and higher, three "hold"; median PT is $42.50 - data compiled by LSEG
** Stock up 34.19% YTD, including session's moves
(Reporting by Ankita Yadav in Bengaluru)
((Ankita.Yadav@thomsonreuters.com;))