** British betting firm Evoke's EVOK.L shares down 2.73% at 28.55p
** Berenberg downgraded stock to Hold from Buy and cut price target to 33p from 95p, citing expected impact of UK taxes to earnings
** Brokerage says it sees little reason for Evoke's shares to rerate in the short term and see some wider risks to its 50% mitigation efforts
**"While hitting the 50% target might be feasible, we think that it could drive underinvestment, customer churn and a softening in the growth outlook" - Berenberg
** UK tax hikes on gambling firms is expected to lift EVOK's annual duty costs by 125-135 million pounds from April 2027
** EVOK withdrew its medium-term targets on Wednesday after disclosing the financial hit
** YTD, EVOK stock had fallen 52.94%
(Reporting by Tuhina in Bengaluru)
(( Tuhina@thomsonreuters.com ))