March 24 (Reuters) - U.S. stock index futures pointed to a lower open on Tuesday as renewed doubts over easing Middle East tensions tempered the previous session's relief rally despite President Donald Trump's decision to delay strikes on Iran's power grid..N

** Jefferies Financial Group Inc JEF.N:
BUZZ - Shares edge higher on FT report of possible SMFG takeover interest nL4N40C0KT

** Alibaba Group Holding Ltd BABA.N:
BUZZ - Shares climb most in 2 weeks after unveiling next-gen chip for agentic AI nL1N40C09Y

** SAP SE SAP.N:
BUZZ - "Change is fast approaching", SAP dips as J.P. Morgan downgrades to 'neutral' amid AI industry shifts nL6N40C0HM

** Smithfield Foods Inc SFD.O:
BUZZ - Rises after quarterly sales and profit beat estimates nL6N40C0MT

** Ecolab Inc ECL.N:
BUZZ - J.P.Morgan upgrades Ecolab to 'overweight', says raw material cost risks overstated nL4N40C0S3

** Apollo Global Management Inc APO.N:
BUZZ - Falls after firm caps fund redemptions amid withdrawal surge nL4N40C0TS

** Alaska Air Group Inc ALK.N:
BUZZ - BMO starts Alaska Air with 'outperform' rating on favorable long-term trends nL4N40C0UK

** Karyopharm Therapeutics Inc KPTI.O:
BUZZ - Jumps as blood cancer drug meets one of two main goals in study nL6N40C0RF

** DexCom Inc DXCM.O:
BUZZ - Rises as Evercore lifts PT on potential diabetes device insurance coverage nL4N40C0PS

** JetBlue Airways Corp JBLU.O:
BUZZ - BMO starts JetBlue coverage with 'market perform' nL4N40C0XR

** Ocugen Inc OCGN.O:
BUZZ - Rises as gene therapy slows vision loss in advanced eye disease trial nL4N40C0ZA

** Arthur J. Gallagher & Co JG.N:
BUZZ - BMO upgrades to Gallagher to 'outperform' on AI productivity benefits nL6N4080J9

** Estee Lauder Companies Inc EL.N:
BUZZ - Rises marginally amid merger talks with Puig nL6N40C0G6

** Concentrix Corp CNXC.O:
BUZZ - Falls on dour quarterly forecast nL6N40C0RG

** Rio Tinto PLC RIO.N:

** BHP Group Ltd BHP.N:

** Southern Copper Corp SCCO.N:

** Freeport-McMoRan Inc FCX.N:

BUZZ - Copper miners down after Iran denies talks to end war, attacks Israel nL4N40C0UD

** Hoth Therapeutics Inc HOTH.O:
BUZZ - Rises as skin treatment shows promise in cancer patients nL4N40C127

** FTAI Aviation Ltd FTAI.O:
BUZZ - Morgan Stanley raises FTAI Aviation PT on strong multi-year growth outlook nL4N40C11C

** Ares Management Corp ARES.N:
BUZZ - Falls after limiting redemptions, echoing moves by peers nL4N40C144

** WisdomTree Inc WT.N:
BUZZ - Wavers after $525 mln convertible bond offering for M&A nL6N40C0PM