** Shares of PC maker Dell Technologies DELL.N rise ~6% to
$108.25 premarket, while data analytics firm Palantir
Technologies PLTR.N jumps ~7% to $32.42
** S&P Dow Jones Indices on Friday said DELL, PLTR to join
the benchmark S&P 500 .SPX index, along with casualty insurer
Erie Indemnity ERIE.O
** Cos will join before the market opens on Sept. 23
** DELL, PLTR and ERIE to replace American Airlines AAL.O ,
online marketplace Etsy ETSY.O and diagnostics company Bio-Rad
Laboratories BIO.N
** AAL and ETSY down marginally before the bell
** Through last close, DELL has gained ~33% YTD, while PLTR
has surged ~77% and ERIE is up ~51%
(Reporting by Deborah Sophia in Bengaluru)
((DeborahMary.Sophia@thomsonreuters.com;))