** Shockwave Medical Inc's SWAV.O shares up 9.4% at
$177.60 before the bell as co to join S&P MidCap index .IDX
later this month
** Cardiovascular medical device firm to be added to IDX
prior to market open on Jun 21 as part of S&P Dow Jones Indices'
qtrly rebalance urn:newsml:reuters.com:*:nPn9Mx6zCa
** SWAV and life sciences tools co Sotera Health SHC.O
both to replace apparel retailer Urban Outfitters URBN.O and
digital ad provider LiveRamp Holdings RAMP.N . SHC up 9.0% at
$23.45 premarket
** In turn, URBN and RAMP to move to S&P SmallCap 600 index
.SPCY
** YTD, SWAV down ~9% vs Nasdaq's .IXIC 23% decline
through Fri close. Co has ~$5.8 bln market cap, per Refinitiv
** Avg rating among 7 analysts is "buy"; median PT of $185
down from $235 a month ago - Refinitiv
(Lance Tupper is a Reuters market analyst. The views expressed
are his own)
((lance.tupper@thomsonreuters.com
lance.tupper@tr.com 1-332-219-1430))