May 20 (Reuters) - U.S. stock index futures edged higher on Wednesday as chip stocks steadied ahead of Nvidia's earnings, which investors view as a crucial test of AI demand amid concerns about elevated Treasury yields .N

** Cava Group Inc CAVA.N:
BUZZ - Jumps after raising outlook on strong demand nL6N41X08U

** Roblox Corp RBLX.N:
BUZZ - Rises after announcing first-ever share buyback nL6N41X0ML

** Nvidia Corp NVDA.O:

** Broadcom Inc AVGO.O:

** Sandisk Corp SNDK.O:

** Western Digital Corp WDC.O:
BUZZ - US chip stocks rise with Nvidia results in focus nL4N41X0S9

** Analog Devices Inc ADI.O:
BUZZ - Climbs after plans to buy Empower Semiconductor for $1.5 bln nL6N41X0KY

** Toll Brothers Inc TOL.N:
BUZZ - Up after Q2 results beat estimates nL6N41X0O9

** Lowe's Companies Inc LOW.N:
BUZZ - Fall after reaffirming annual forecast nL6N41X0QR

** Target Corp TGT.N:
BUZZ - Rises after annual sales forecast rise nL6N41X0RR

** APA Corp APA.O:

** Devon Energy Corp DVN.N:

** Diamondback Energy Inc FANG.O:

** EOG Resources Inc EOG.N:
BUZZ - Citigroup raises PT on US energy companies nL4N41X0XT

** Ralliant Corp RAL.N:
BUZZ - TD Cowen lifts Ralliant PT on backlog strength nL4N41X0Y1

** VF Corp VFC.N:
BUZZ - Up after posting Q4 revenue beat, annual revenue growth rebound nL6N41X0SB

** Keysight Technologies Inc KEYS.N:
BUZZ - Susquehanna raises PT on Keysight Technologies citing AI, defense strength nL4N41X0XZ

** Viavi Solutions Inc VIAV.O:
BUZZ - Falls on $500 mln equity raise nL6N41X0SV

** Newmont Corp NEM.N:
** Harmony Gold Mining Co Ltd HMY.N:

** AngloGold Ashanti PLC AU.N:

** Sibanye Stillwater Ltd SBSW.N:

BUZZ - Gold miners track bullion higher as Mideast peace hopes offset rising yields nL4N41X0YR

** Medline Inc MDLN.O:
BUZZ - Falls as sponsors look to sell stake in secondary offering nL6N41X0ST

** Chevron Corp CVX.N:

** Exxon Mobil Corp XOM.N:

** Occidental Petroleum Corp OXY.N:

** Halliburton Co HAL.N:
BUZZ - Oil companies slip as crude prices slide on Iran war outlook nL4N41X0Z1