(Updates with index/price moves, macroeconomic data, and company/geopolitical news from the first paragraph.)
US equity indexes rose after midday Tuesday as a sharp move in chipmakers lifted technology to the top of sector charts and crude oil advanced amid diplomatic maneuvers to end hostilities in the Middle East.
The Nasdaq Composite jumped 1.4% to 25,857.7, with the S&P 500 up 0.9% to 7,512.1 and the Dow Jones Industrial Average higher by 0.8% to 52,276.9.
All sectors, except consumer staples, communication services, and real estate, rose. Technology was the standout gainer, up 2.2%.
Out of the top ten companies with a market capitalization of more than $200 billion, all but one were from the technology sector, according to data compiled by Finviz. Within that tech dominance, six were from semiconductors and semiconductor equipment and materials industries, including Intel (INTC).
Intel is planning to lay off workers within its data center group, Business Insider reported Tuesday, citing a company spokesperson. Its shares surged 8.1%, one of the top gainers on the S&P 500 and the Nasdaq.
In earnings news, 3M (MMM) raised its full-year earnings guidance while reporting Q2 results above market expectations.
General Motors (GM) lifted its outlook for full-year earnings as it recorded an unexpected year-over-year increase in Q2 sales.
In geopolitical news, the Houthi-run SABA news agency said six ships attempting to pass through the Bab el-Mandeb Strait in the southern Red Sea were forced to reroute on Tuesday after being warned by the rebels, a day after they announced a maritime embargo against Saudi Arabia, according to the Associated Press.
A desalination facility and power plants caught fire and suffered serious damage in Kuwait after new Iranian strikes targeted the crucial facilities, along with areas of Bahrain and Jordan, following the 10th consecutive night of US bombing, Al Jazeera, a Middle Eastern broadcaster, reported Tuesday.
Meanwhile, Iranian Interior Minister Eskandar Momeni arrived in Pakistan for high-level talks, news reports said. Mediators are proposing a 10-day ceasefire between Washington and Tehran, according to a Reuters report. President Donald Trump said Tehran is "desperate" to meet and talk, and threatened to attack a reported new Iranian nuclear site "very heavily," Al Jazeera reported.
The front-month US West Texas Intermediate rose 2.4% to $84.44 a barrel, and global benchmark North Sea Brent climbed 2.2% to $91.19 a barrel as diplomatic channels remain open amid a severe escalation in the war.
US Treasury yields rose, with the 10-year up three basis points to 4.63%. The two-year jumped four basis points to 4.26%.
In precious metal markets, gold futures advanced 1.5% to $4,076.7, and silver futures surged 3.7% to $59.19.
In economic news, Redbook US same-store sales rose by 7.8% from a year earlier in the week ended July 18 after an 8.2% year-over-year increase in the previous week.
The Philadelphia Federal Reserve Bank's monthly nonmanufacturing activity index rose to 7.4 in July from minus 25.8 in the previous month, indicating expansion in the sector. This is the first positive reading for the index since October 2024.