March 6 (Reuters) - U.S. stock index futures fell on Thursday as uncertainty about an ongoing global trade war clouded sentiment, while chip stocks took a beating after Marvell Technology's broadly in-line forecast fanned worries of slowing demand for AI infrastructure. .N

** Campbell's Co CPB.O: BUZZ - Extends declines after dour annual outlook; JPM downgrades stock nL3N3PP0MK

** Marvell Technology Inc MRVL.O: BUZZ - Tumbles as in-line forecast fails to impress investors nL3N3PP0U1

** Allegro MicroSystems Inc ALGM.O: BUZZ - Jumps after Onsemi takeover rebuff nL3N3PP0VH

** Newmont Corp NEM.N:

** Barrick Gold Corp GOLD.N:

** Gold Fields Ltd GFI.N:

** Harmony Gold Mining Co Ltd HMY.N:

BUZZ - Gold miners fall as bullion prices edge lower nL3N3PP0V1

** Zscaler Inc ZS.O: BUZZ - Jumps after upbeat annual revenue forecast nL3N3PP0W8

** JPMorgan Chase & Co JPM.N:

** Goldman Sachs Group Inc GS.N:

** Morgan Stanley MS.N:

** $Bank of America Corp(BAC-N)$ BAC.N

BUZZ - Major US banks down on economic slowdown worries amid tariff uncertainty nL3N3PP0WW

** Victoria's Secret & Co VSCO.N: BUZZ - Falls after quarterly sales outlook comes in below expectations nL3N3PP0WB

** MongoDB Inc MDB.O: BUZZ - Slumps after downbeat annual revenue, profit forecasts nL3N3PP0WX

** ImmunityBio Inc IBRX.O: BUZZ - H.C. Wainwright starts coverage of ImmunityBio with 'buy' rating nL3N3PP0XQ

(Compiled by Rajarshi Roy and Anshuman Tripathy)

((Rajarshi.Roy@thomsonreuters.com))