June 22 (Reuters) - The S&P 500 and the Nasdaq fell on Monday, dragged lower by declines in megacap technology names including Alphabet, while investors also assessed developments in U.S.-Iran negotiations. .N

At 13:30 EDT, the Dow Jones Industrial Average .DJI was up 0.31% at 51,723.70. The S&P 500 .SPX was down 0.33% at 7,475.62, and the Nasdaq Composite .IXIC was down 1.17% at 26,207.98.

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

** Super Micro Computer Inc SMCI.O, up 15.4%

** Coherent Corp COHR.N, up 9.2%

** ON Semiconductor Corp ON.O, up 7.5%

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

** VeriSign, Inc VRSN.O, down 7%

** Netflix Inc NFLX.O, down 6.8%

** Fox Corp FOXA.O, down 6.7%

The top three NYSE .PG.N percentage gainers:

** Getty Images Holdings Inc GETY.N, up 104.1%

** Sunlands Technology Group STG.N, up 21.1%

** Shutterstock Inc SSTK.N, up 20.7%

The top three NYSE .PL.N percentage losers:

** Butterfly Network Inc BFLY.N, down 21.6%

** Alamos Gold Inc AGI.N, down 14.4%

** WaterBridge Infrastructure LLC WBI.N, down 11.5%

The top three Nasdaq .PG.O percentage gainers:

** Nexentis Technologies Inc NXTS.O, up 171.7%

** Eshallgo Inc EHGO.O, up 125.0%

** Tenon Medical Inc TNON.O, up 83.9%

The top three Nasdaq .PL.O percentage losers:

** Office Properties Income Trust OPI.O, down 63.6%

** Xiao-I Corp AIXI.O, down 46.3%

** Lichen International Ltd LICN.O, down 39.6%

** Tesla Inc TSLA.O:
BUZZ - Slips; Jefferies sees SpaceX tie-up turning stock into ‘tracker’ nL6N42U0GK

** Apogee Therapeutics Inc APGE.O:
BUZZ - Soars on report Abbvie nearing $11 bln buyout deal nL6N42U0JU

** Visteon Corp VC.O:
BUZZ - Rises after J.P. Morgan upgrades to 'overweight' on growth potential nL6N42U0KG

** Definium Therapeutics Inc DFTX.O:
BUZZ - Jumps as depression drug shows positive late-stage trial data nL4N42U0RW

** Regenxbio Inc RGNX.O:
BUZZ - Rises after report FDA to reverse rejection of rare-disease gene therapy nL4N42U0R6

** Ecopetrol SA EC.N:
** Grupo Aval Acciones y Valores S.A.AVAL.N:
** Grupo Cibest SA CIB.N:
** Geopark Ltd GPRK.N:
BUZZ - Colombian ADRs rise after right-wing presidential candidate's win nL4N42U0TM

** Robinhood Markets Inc HOOD.O:
BUZZ - Drops on planned $2 bln convertible offering nL6N42U0LU

** Incyte Corp INCY.O:
BUZZ - Rises as it settles Medicaid dispute with US governmentnL4N42U0TS

** Ligand Pharmaceuticals Inc LGND.O:
BUZZ - Eases from record on $550 mln convertible debt deal nL6N42U0N2

** Ecarx Holdings Inc ECX.O:
BUZZ - Rises after agreeing to buy Flyme software business nL4N42U0U6

** Arcosa Inc ACA.N:
BUZZ - Gains after CRH to buy co in $8.5 bln deal nL4N42U0ZG

** AMC Entertainment Holdings Inc AMC.N:
BUZZ - Rises after Toy Story sequel drives busiest US weekend of 2026 nL6N42U0PC

** Getty Images Holdings Inc GETY.N:
BUZZ - Surges on OpenAI partnership nL6N42U0SC

** Space Exploration Technologies Corp SPCX.O:
BUZZ - Drops 10% as post-IPO mania fizzles nL6N42U0TO

** Maplight Therapeutics Inc MPLT.O:
BUZZ - Rises as autism drug shows benefit in subset despite trial miss nL4N42U190

** BCB Bancorp Inc BCBP.O:
BUZZ - Slides after suspending cash dividend nL6N42U0WZ

** Abbvie Inc ABBV.N:
BUZZ - Jumps after $10.9 billion deal to buy Apogee Therapeutics nL6N42U0YP

** Moderna Inc MRNA.O:
BUZZ - Falls after six-session rally ahead of FDA panel nod nL4N42U1DF

** Baldwin Insurance Group Inc BWIN.O:
BUZZ - J.P. Morgan upgrades Baldwin Group after take-private report nL4N42U1F1

** Lucid Group Inc LCID.O:
BUZZ - Falls after announcing it will lay off 18% US workforce nL6N42U100

Index RIC	Index name	Percent change %
.SPX	S&P 500	-0.33
.SPLRCT	S&P 500 Information Technology	-0.05
.SPLRCU	S&P 500 Utilities	0.83
.SPLRCD	S&P 500 Consumer Discretionary	-1.9
.SPLRCM	S&P 500 Materials	0.16
.SPLRCI	S&P 500 Industrials	0.85
.SPLRCL	S&P 500 Communication Services (Sector)	-4.37
.SPSY	S&P 500 Financials	0.64
.SPLRCR	S&P 500 Real Estate	1.64
.SPXHC	S&P 500 Health Care	1.08
.SPLRCS	S&P 500 Consumer Staples	-0.28
.SPNY	S&P 500 Energy	0.75