May 18 (Reuters) - U.S. stock indexes extended losses on Monday, with the Nasdaq leading declines as semiconductor shares came under pressure, while surging Treasury yields and oil prices revived concerns that inflation and borrowing costs could remain elevated. .N

At 13:30 EDT, the Dow Jones Industrial Average .DJI was up 0.18% at 49,614.58. The S&P 500 .SPX was down 0.21% at 7,392.85, and the Nasdaq Composite .IXIC was down 0.66% at 26,051.43.

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

** ServiceNow Inc NOW.N, up 9.1%

** Dominion Energy Inc D.N, up 8.7%

** Cognizant Technology Solutions Corp CTSH.OQ, up 7.9%

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

** Vertiv Holdings Co VRT.N, down 9.7%

** Regeneron Pharmaceuticals Inc REGN.OQ, down 9.6%

** Lumentum Holdings Inc LITE.OQ, down 9.5%

The top three NYSE .PG.N percentage gainers:

** GCT Semiconductor Holding Inc GCTS.N, up 35%

** Liveramp Holdings Inc RAMP.N, up 27.4%

** Claritev Corp CTEV.N, up 22.4%

The top three NYSE .PL.N percentage losers:

** Ampco-Pittsburgh Corp AP.N, down 13.5%

** Energy Vault Holdings Inc NRGV.N, down 12.8%

** Valens Semiconductor Ltd VLN.N, down 11.1%

The top three Nasdaq .PG.O percentage gainers:

** Huachen AI Parking Management Technology Holding Co Ltd HCAI.OQ, up 137.7%

** Sunshine Biopharma Inc SBFM.OQ, up 113.9%

** Wellgistics Health Inc WGRX.OQ, up 77.6%

The top three Nasdaq .PL.O percentage losers:

** Bitcoin Depot Inc BTM.OQ, down 71.7%

** Lichen International Ltd LICN.OQ, down 44.2%

** WORK Medical Technology Group Ltd WOK.OQ, down 42.4%

** Chevron Corp CVX.N:

** Exxon Mobil Corp XOM.N:

** Equinor ASA EQNR.N:

BUZZ - HSBC lifts oil price assumptions, upgrades Shell and Repsol to 'buy' nL8N41V0EK

** Deckers Outdoor Corp DECK.N:
BUZZ - Rises; Piper Sandler upgrades to 'neutral' nL6N41V0KQ

** Baidu's Inc BIDU.O:
BUZZ - US-listed shares rise on upbeat quarterly revenue nL4N41V0Q3

** Delta Air Lines Inc DAL.N:

** Macy’s Inc M.N:
BUZZ - Climb as Berkshire discloses new stakes; UnitedHealth slips nL6N41V0KL

** Regeneron Pharmaceuticals Inc REGN.O:
BUZZ - Slides after skin cancer drug combo misses trial goal nL4N41V0QW

** Dominion Energy Inc D.N:
BUZZ - Climbs on $66.8 bln deal with NextEra Energy nL6N41V0UP

** Bank of America Corp BAC.N:
BUZZ - Raises 'probe card champion' Technoprobe to 'buy', shares rise nL8N41V0N9

** Bio-Rad Laboratories Inc BIO.N:
BUZZ - Jumps after report Elliott builds stake nL6N41V0O1

** Ford Motor Co F.N:
BUZZ - Gains on energy storage deal, European expansion plans nL6N41V0Q6

** Coinbase Global Inc COIN.O:

** Strategy Inc MSTR.O:

** Robinhood Markets Inc HOOD.O:

** Riot Platforms Inc RIOT.O:

BUZZ - Crypto-adjacent stocks slide, tracking fall in bitcoin nL6N41V0Q3

** Lockheed Martin Corp LMT.N:

** RTX Corp RTX.N:

** LOAR Holdings Inc LOAR.N:
BUZZ - Citi sees buying opportunity in US aerospace & defense, upside in LMT, RTX nL4N41V0YG

** LiveRamp Holdings Inc RAMP.N:
BUZZ - Surges after Publicis' $2.2 bln buyout deal nL8N41V0YK

** Cognizant Technology Solutions Corp CTSH.O:
BUZZ - Gains after doubling stock buyback plan on AI opportunity nL4N41V131

** Intel Corp INTC.O:

** Advanced Micro Devices Inc AMD.O:
BUZZ - Citigroup sees server CPU market reaching $132 billion by 2030, Intel to lead nL4N41V141

** Hims & Hers Health Inc HIMS.N:
BUZZ - Falls on $300 mln convertible bond sale plans nL6N41V0RQ

** Applied Materials Inc AMAT.O:
BUZZ - Morgan Stanley cuts Applied Materials to 'equal-weight' on valuation concerns nL6N41V0T4

** Coursera Inc COUR.N:
BUZZ - Jumps on share buyback plan nL6N41V0U1

** Onto Innovation Inc ONTO.N:
BUZZ - Dips on $1.1 bln convertible offering nL6N41V0RR

** ServiceNow Inc NOW.N:
BUZZ - Up; BofA reinstates with 'buy' nL6N41V0WA

** BlackRock TCP Capital Corp TCPC.O:
BUZZ - Slips on report of DOJ probe nL6N41V0VS

** BioMarin Pharmaceutical Inc BMRN.O:
BUZZ - Falls after genetic disease therapy shows mixed results in study nL4N41V1DN

** T1 Energy Inc TE.N:

** HIVE Digital Technologies Ltd HIVE.O:
BUZZ - Climb after ex-OpenAI employee's fund discloses stake nL4N41V1DP

** Eli Lilly and Co LLY.N:
BUZZ - Falls after US Supreme Court turns away challenge to whistleblower law nL4N41V1EY

** Design Therapeutics Inc DSGN.O:
BUZZ - Falls after early-stage data for genetic disorder treatment nL4N41V1F4

** Boston Scientific Corp BSX.N:
BUZZ - Shares rise on $2 bln accelerated buyback nL6N41V11S

Index RIC	Index name	Percent change %
.SPX	S&P 500	-0.21
.SPLRCT	S&P 500 Information Technology	-1.44
.SPLRCU	S&P 500 Utilities	-0.44
.SPLRCD	S&P 500 Consumer Discretionary	-0.08
.SPLRCM	S&P 500 Materials	0.23
.SPLRCI	S&P 500 Industrials	-0.52
.SPLRCL	S&P 500 Communication Services (Sector)	1.1
.SPSY	S&P 500 Financials	1.12
.SPLRCR	S&P 500 Real Estate	0.78
.SPXHC	S&P 500 Health Care	0.37
.SPLRCS	S&P 500 Consumer Staples	0.79
.SPNY	S&P 500 Energy	1.53