** Shares of investment firm StepStone Group STEP.O jump
as much as 11.9%, hitting over a 2-year high; last up 9% at
$45.20
** STEP will be added to the S&P SmallCap 600 .SPCY ,
effective prior to market open on June 24, S&P Dow Jones Indices
said on Friday
** Co currently has a market capitalization of $4.59 bln -
LSEG data
** S&P SmallCap 600 seeks to measure small-cap segment of
the U.S. equity market
** As of last close, STEP shares were up 30.2% YTD
(Reporting by Arasu Kannagi Basil in Bengaluru)
((ArasuKannagi.Basil@thomsonreuters.com;))