Wall Street dipped on Thursday as elation from the U.S.-China tariff truce faded for major indexes, while UnitedHealth's stock took a pummeling after a report of a DOJ fraud inquiry into the insurer. .N

At 13:30 EDT, the Dow Jones Industrial Average .DJI was up 0.46% at 42,245.58.The S&P 500 .SPX was up 0.50% at 5,922.00, and the Nasdaq Composite .IXIC was up 0.27% at 19,198.99.

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

** STERIS plc STE.N, up 7.8%

** Cisco Systems Inc CSCO.OQ, up 5.9%

** Dollar General Corp DG.N, up 4.6%

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

** Fiserv Inc FI.N, down 16.7%

** UnitedHealth Group Inc UNH.N, down 13.4%

** APA Corp (US) APA.OQ, down 3.1%

The top three NYSE .PG.N percentage gainers:

** Foot Locker Inc FL.N, up 84.8%

** Superior Industries International Inc SUP.N, up 23.1%

** Ambac Financial Group Inc AMBC.N, up 19.9%

The top three NYSE .PL.N percentage losers:

** GCT Semiconductor Holding Inc GCTS.N, down 35.5%

** Biohaven Ltd BHVN.N, down 19.5%

** Wallbox NV WBX.N, down 17.5%

The top three Nasdaq .PG.O percentage gainers:

** Click Holdings Limited CLIK.OQ, up 154.9%

** ABPRO Holdings Inc ABP.OQ, up 93.9%

** Graphjet Technology GTI.OQ, up 72.7%

The top three Nasdaq .PL.O percentage losers:

** Healthcare Triangle Inc HCTI.OQ, down 82.8%

** REE Automotive Ltd REE.OQ, down 70.9%

** Nanovibronix Inc NAOV.OQ, down 62.3%

** Merck & Co Inc MRCG.DE, <MRK.N>:BUZZ - Shares fall after FY outlook cut nL8N3RN0DK

** Walmart Inc <WMT.N>:BUZZ - Warns of higher prices, shares fall nL4N3RN18W

** Biohaven Ltd <BHVN.N>:BUZZ - Drops after FDA extends review period for genetic disease drug nL4N3RN1C0

** Chevron Corp <CVX.N>:

** Exxon Mobil Corp <XOM.N>:

** ConocoPhillips <COP.N>:

** Occidental Petroleum Corp <OXY.N>

BUZZ - Oil companies fall as potential US-Iran nuclear deal stoke oversupply concerns nL4N3RN0PF

** Savers Value Village Inc <SVV.N>:BUZZ - Dips after $139 million secondary offering nL4N3RN18Y

** UnitedHealth Group Inc <UNH.N>:BUZZ - Plunges on report of criminal probe for possible Medicare fraud nL4N3RN18Y

** Lockheed Martin Corp <LMT.N>:BUZZ - Edges higher after Trump floats possible new F-55 warplane, F-22 upgrade nL4N3RN0RZ

** Alibaba.com Ltd <BABA.N>:

BUZZ - Falls on downbeat quarterly revenue nL4N3RN0S6

** Birkenstock Holding PLC <BIRK.N>:BUZZ - Up after raising annual forecast, price hike plan to offset tariffs nL4N3RN1AY

** Waystar Holding Corp <WAY.O>:BUZZ - Dips after top shareholders slice stake in $484 million secondary offering nL4N3RN0S9

** Foot Locker Inc <FL.N>:BUZZ - eyes best day after $2.4 bln deal from Dick's Sporting Goods nL4N3RN17S

** Canadian Solar Inc <CSIQ.O>:BUZZ - Rises after upbeat Q2 revenue forecast nL4N3RN0VJ

** Klaviyo Inc <KVYO.N>:BUZZ - Slips after CEO sells stock in $373 mln secondary offering nL6N3RN0K2

** Loar Holdings Inc <LOAR.N>:BUZZ - Steadies as top holders slice stakes in $750 mln secondary offering nL6N3RN0KA

** Coinbase Global Inc <COIN.O>:BUZZ - Falls after co says it expects up to $400 mln hit from cyber attack nL4N3RN17X

** Tvardi Therapeutics Inc <TVRD.O>:BUZZ - BTIG starts Tvardi's coverage with 'buy' as co's drug to reverse lung scarring shows promise nL4N3RN0XG

** Deere & Co <DE.N>:BUZZ - Rises after Q2 earnings beat estimates nL4N3RN18K

** Akamai Technologies Inc <AKAM.O>:BUZZ - Ticks up after $1.5 bln convertible bond offeringnL6N3RN0MJ

** Virtu Financial Inc <VIRT.O>:BUZZ - Falls after BofA Global Research downgrades to 'neutral' nL4N3RN0S7

** Boot Barn Holdings Inc <BOOT.N>:BUZZ - Jumps after Q4 results, $200 mln share buyback plans nL4N3RN182

** Atara Biotherapeutics Inc <ATRA.O>:BUZZ - Rises after direct stock offering, business update nL6N3RN0NV

** Intuitive Surgical Inc <ISRG.O>:BUZZ - Long-time CEO to step down; shares drop nL4N3RN159

** Boeing Co <BA.N>:BUZZ - TD Cowen raises Boeing PT on higher production rate nL4N3RN183

** Toll Brothers Inc <TOL.N>:BUZZ - Oppenheimer cuts Toll Brothers' PT on expected reduction in 2025 forecast nL4N3RN18F

** CoreWeave Inc <CRWV.O>:BUZZ - Reverses course on $4 bln deal with OpenAI, brokerages raise PT nL4N3RN1FX

** New Fortress Energy Inc <NFE.O>:BUZZ - Slides to an all-time low after Q1 loss nL4N3RN1A8

** Abbott Laboratories <ABT.N>:BUZZ - Rises after continuous glucose monitor reduce hospitalizations nL4N3RN1AA

** Allstate Corp <ALL.N>:BUZZ - Rises after disclosing April catastrophe losses nL4N3RN127

** Xponential Fitness Inc <XPOF.N>:BUZZ - CEO Mark King announces retirement; shares fall nL6N3RN0PR

** Humana Inc <HUM.N>:

** CVS Health Corp <CVS.N>:

** Elevance Health Inc <ELV.N>:

**Molina Healthcare Inc <MOH.N>:

BUZZ - Health insurers turns red on report UnitedHealth faces Medicare fraud probe nL4N3RN1BF

** dLocal Ltd <DLO.O>:BUZZ - Shares soar after Q1 net profit doubles nL8N3RN1V2

** Aura Biosciences Inc <AURA.O>:BUZZ - Climbs after $75 million public offering nL4N3RN0S8

** Steris PLC <STE.N>:BUZZ - Eyes best day in two years after upbeat outlook nL6N3RN0QQ

** Phillips 66 <PSX.N>:BUZZ - Divests interest in Germany and Austria retail unit; shares fall nL4N3RN1E4

** DXC Technology Co <DXC.N>:BUZZ - Slips after lowering FY profit forecast, brokerages cut PT nL4N3RN1E5

** Cisco Systems Inc CSCO.O:BUZZ - Rallies after beat-and-raise quarterly updatenL1N3RN0PS

** Lobo EV Technologies Ltd LOBO.O:BUZZ - Rises after $6 million US deal nL4N3RN1HI

** Fiserv Inc FI.N:BUZZ - Slides as Clover growth forecast disappoints nL4N3RN1FV

** Amazon.com Inc <AMZN.O>:BUZZ - Shares fall; rival Walmart warns about tariffs impact nL1N3RN0W4

** Take-Two Interactive Software Inc <TTWO.O>:BUZZ - Shares rise ahead of quarterly results nL1N3RN0W8

(Compiled by Rajarshi Roy and Siddhi Mahatole)

((siddhi.mahatole@thomsonreuters.com))