May 20 (Reuters) - The tech-heavy Nasdaq led gains on Wall Street on Wednesday, lifted by a rebound in chip stocks ahead of Nvidia's quarterly earnings, which investors view as a crucial test of AI demand. .N

At 1130 EDT, the Dow Jones Industrial Average .DJI was up 0.72% at 49,717.21. The S&P 500 .SPX was up 0.78% at 7,410.98, and the Nasdaq Composite .IXIC was up 1.18% at 26,175.20.

The top three S&P 500 .PG.INX percentage gainers:

** United Airlines Holdings Inc UAL.OQ, up 8.8%

** Super Micro Computer Inc SMCI.OQ, up 8.5%

** Advanced Micro Devices Inc AMD.OQ, up 7.7%

The top three S&P 500 .PL.INX percentage losers:

** Hasbro Inc HAS.OQ, down 8.6%

** Analog Devices Inc ADI.OQ, down 6.3%

** CF Industries Holdings Inc CF.N, down 5.1%

The top three NYSE .PG.N percentage gainers:

** Claritev Corp CTEV.N, up 27.8%

** Magnachip Semiconductor Corp MX.N, up 23.2%

** T1 Energy Inc TE.N, up 22.6%

The top three NYSE .PL.N percentage losers:

** Alight Inc ALIT.N, down 8.5%

** Skillz Inc SKLZ.N, down 8.3%

** Gray Media Inc GTNa.N, down 6.8%

The top three Nasdaq .PG.O percentage gainers:

** HCW Biologics Inc HCWB.OQ, up 129.2%

** Micware Co Ltd BVK0RL6, up 84.5%

** GCL Global Holdings Ltd GCL.OQ, up 77.2%

The top three Nasdaq .PL.O percentage losers:

** Lichen International Ltd LICN.OQ, down 66.1%

** Society Pass Inc SOPA.OQ, down 50.2%

** Rubico Inc RUBI.OQ, down 39.9%

** 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 - Slides after warning of tough macro environment nL6N41X10E

** 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

** Plug Power Inc PLUG.O:
BUZZ - Gains on Barrow Green Hydrogen project FID nL4N41X10R

** TJX Companies Inc TJX.N:
BUZZ - Up after annual forecast raise nL6N41X0UT

** SiTime Corp SITM.O:
BUZZ - Drops on boosted $1.2 bln convertible for acquisition nL6N41X0UD

** Mayville Engineering Company Inc MEC.N:
BUZZ - Slides on $87 mln stock sale nL6N41X0W0

** CVS Health Corp CVS.N:

** Centene Corp CNC.N:

** Elevance Health Inc ELV.N:

** Humana Inc HUM.N:
BUZZ - Cantor, Mizuho see margin recovery for health insurers over next few years nL4N41X119

** Akamai Technologies Inc AKAM.O:
BUZZ - Rises after upsized $3 bln convertible bond sale nL6N41X0X3

** C.H. Robinson Worldwide Inc CHRW.O:
BUZZ - Gains after Jefferies upgrades to 'buy', hikes PT nL4N41X1BW

** AMC Entertainment Holdings Inc AMC.N:
BUZZ - Jumps after CEO Aron discloses stock purchase nL6N41X11B

** Royal Caribbean Cruises Ltd RCL.N:
BUZZ - Shares fall to one-year low after Mexico rejects water park nL4N41X1D1

** Lincoln International Inc LCLN.N:
BUZZ - On track to open higher in New York debut nL6N41X0ZU

** Roivant Sciences Ltd ROIV.O:
BUZZ - Rises as arthritis drug shows early promise nL4N41X1D5

Index RIC	Index name	Percent change %
.SPX	S&P 500	0.78
.SPLRCT	S&P 500 Information Technology	1.54
.SPLRCU	S&P 500 Utilities	0.31
.SPLRCD	S&P 500 Consumer Discretionary	1.83
.SPLRCM	S&P 500 Materials	1.03
.SPLRCI	S&P 500 Industrials	1.14
.SPLRCL	S&P 500 Communication Services (Sector)	-0.53
.SPSY	S&P 500 Financials	0.69
.SPLRCR	S&P 500 Real Estate	0.58
.SPXHC	S&P 500 Health Care	-0.42
.SPLRCS	S&P 500 Consumer Staples	-0.48
.SPNY	S&P 500 Energy	-1.76