U.S. stock index futures ticked lower on Wednesday, as investors retreated from AI-linked stocks for a second day on concerns over ballooning valuations and awaited economic data for signs on the health of the U.S. labor market. .N

** Advanced Micro Devices Inc AMD.O:

** ASML Holding NV ASML.O:BUZZ - European chip stocks gripped by wider tech pullback nL8N3WH0ZD

** Pinterest Inc PINS.N:BUZZ - Drops after Q4 revenue forecast falls short of estimates nL6N3WH0K0

** Rivian Automotive Inc RIVN.O:BUZZ - Shares climb as Q3 revenue beats estimates nL6N3WH0KB

** Super Micro Computer Inc SMCI.O:BUZZ - Drops after missing quarterly estimates on GPU delivery delays nL6N3WH0K8

** McDonald's Corp MCD.N:BUZZ - Stock gains ahead of earnings report amid discount strategies nL6N3WG1XK

** Cava Group Inc CAVA.N:BUZZ - Falls after cutting FY same store sales forecast nL4N3WH0TG

** Newmont Corp NEM.N:

** Sibanye Stillwater Ltd SBSW.N:

** Gold Fields Ltd GFI.N:

** Kinross Gold Corp KGC.N:

BUZZ - Gold miners gain as bullion rises more than 1% on risk-off mood, dollar pause nL4N3WH0VX

** Biohaven Ltd BHVN.N:BUZZ - Falls as US FDA rejects rare nerve disease drug application nL4N3WH0UQ

** Lumentum Holdings Inc LITE.O:BUZZ - Jumps after bright Q2 revenue forecast, Q1 results beat nL6N3WH0L7

** Upstart Holdings Inc UPST.O:BUZZ - Plunges after Q3 revenue miss, FY forecast cut nL6N3WH0M0

** Humana Inc HUM.N:BUZZ - Rises after quarterly profit beat nL4N3WH0WX

** Caterpillar Inc CAT.N:BUZZ - Jefferies raises Caterpillar PT on power generation, service growth nL4N3WH0YE

** Estee Lauder Companies Inc EL.N:BUZZ - Slips on $1 bln secondary offering by Lauder heir's family nL6N3WH0NK

(Compiled by Rajarshi Roy and Arnav Mishra)

((Rajarshi.Roy@thomsonreuters.com))