** Shares of Quest Diagnostics DGX.N down 4.3% to $142.81,
IQVIA IQV.N down 5.1% to $212.50 in Thurs morning trading
** Both stocks downgraded by Citi: DGX to "sell" from
"neutral", PT lowered to $125 from $145; IQV to "neutral" from
"buy", PT down to $245 from $275
** Citi analysts say in note that the ratings changes follow
Q3 results across the life science tools and diagnostics space
and "taking stock of outsized moves"
** For diagnostics company DGX, Citi analysts "see risk to
the LT guide of +4.0-5.0% growth in the base business along with
additional cost headwinds" and cite premium valuation compared
to lab-testing rival LabCorp LH.N
** For IQV, the analysts cite contract research co's
"premium multiple" compared to peers Charles River Laboratories
CRL.N and ICON ICLR.O
** YTD, DGX down ~17.5%, IQV down ~25% vs ~6% drop for S&P
500 healthcare index .SPXHC
(Reporting by Lewis Krauskopf)
((lewis.krauskopf@thomsonreuters.com; 646-223-6082; Reuters
Messaging: lewis.krauskopf.thomsonreuters.com@reuters.net,
Twitter: @LKrauskopf))