(Updates with market moves at the end of the day.)
The Nasdaq Composite fell the most in more than two weeks on Tuesday amid a sell-off in chip-related stocks, including Nvidia (NVDA) and Micron Technology (MU).
The tech-heavy Nasdaq dropped 2.2% to 25,587, the sharpest decline since June 5. The S&P 500 fell 1.4% to 7,365.5, the biggest loss since June 10. The Dow Jones Industrial Average eased 0.1% to 51,665.8.
Among sectors, tech posted the largest decline, shedding 3.7%, while consumer staples led the gainers.
Nvidia shares slumped 4.1%, the biggest drop on the Dow. Sandisk (SNDK) tumbled 14%, the largest decline on the S&P, followed by Micron, down 13%. On Semiconductor (ON) and Marvell Technology (MRVL) also slumped.
Tech stocks may face spillover impact from the recent sharp sell-off in South Korea, though the decline appears to be a "pullback/breather" in a market that almost doubled this year, Wedbush Securities said in a note.
With Micron set to report earnings Wednesday, Wedbush cited "some added nervousness on the important memory chip trade.
In company news, IBM (IBM) shares rose 5%, the biggest gain on the Dow. The computer maker joined the OpenAI Daybreak Cyber Partner Program and launched a new application-security service that uses OpenAI's models.
Korn Ferry (KFY) reported higher fiscal fourth-quarter results, though the consulting firm issued an outlook calling for lower earnings in the current quarter. The shares jumped 5.8%.
West Texas Intermediate crude oil slipped 0.7% to $73.31 a barrel, while Brent lost 1.1% to $77.08.
US Secretary of State Marco Rubio arrived in the Gulf region, aiming to sell the Iran deal to three countries -- the United Arab Emirates, Bahrain and Kuwait -- that are likely to be among the biggest skeptics, CNN reported.
US Treasury yields were lower, with the two-year rate last down 3.2 basis points at 4.21% and the 10-year rate falling two basis points to 4.50%.
In economic news, US private-sector output rose in June at the fastest pace in five months amid a solid expansion in the manufacturing sector, S&P Global (SPGI) said.
"Brighter news out of the Middle East has helped restore some confidence among US businesses in June, though the overall rate of economic growth signaled by the flash PMI survey remains relatively sluggish compared to that seen earlier in the year in the lead up to the conflict," S&P Global said.
Manufacturing activity in the US Mid-Atlantic region fell more than projected in June, with shipments, new orders and employment all weakening, data from the Federal Reserve Bank of Richmond showed.
Gold was down 1.5% at $4,139.80 per troy ounce, while silver slumped 6% to $61.64 per ounce.



