** Shares of British wealth manager Rathbones RAT.L down 4.71% at 1,818p; top loser on the FTSE 250 index
** RAT cuts to pension tax relief risk 50 billion pounds ($67.11 billion) loss of investment
** Jefferies initiates with "underperform", PT unchanged at 1,650p
** Brokerage cites low growth, margin pressure and limited operating leverage; prefers platforms and larger advice-led peers
** As of last close, stock up 9.88% YTD vs a 3.73% decline in the FTSE 250 .FTMC
($1 = 0.7451 pounds)
(Reporting by Khusbu Jena in Bengaluru)