** British insurer Hiscox Ltd HSX.L up 2.1% at 1,279p
** Stock among top pct gainers on FTSE 100 index .FTSE, which is up 0.63%
** Berenberg re-initiates coverage on HSX with "buy" rating and PT 1,450p
** Hiscox sets target to accelerate retail premium growth to double digits by 2028 at its maiden capital markets day
** Retail segment includes smaller-ticket, lower-volatility business
** "Acceleration of retail business growth means it will gradually become a bigger part of the overall group," says Berenberg
** Brokerage says co's planned $200 mln cost savings encourage profitability
** As of last close, stock up nearly 15.7% YTD
(Reporting by Anandita Mehrotra in Bengaluru)
((Anandita.Mehrotra@thomsonreuters.com))