** Circor International Inc's shares CIR.N rise 6.8% to
$51.18 before the bell
** The industrial machinery maker accepts investment firm
KKR's KKR.N revised offer of $1.87 bln, including debt
** KKR's cash offer of $51 per share is up from its previous
$49 per share proposal
** Improved offer comes after CIR received unsolicited
buyout deal from third party for $52.65 per share in cash.
** KKR's current offer price represents a nearly 6% upside
to the stock's last close
** Up to Monday's close, stock had risen 100% YTD
(Reporting by Shristi Achar A in Bengaluru)
((Shristi.AcharA@thomsonreuters.com;))