U.S. stock indices opened higher on June 15, with the Nasdaq rising 2.16%, the S&P 500 gaining 1.3%, and the Dow advancing 1%. The rally was driven by strong performance in storage chip and semiconductor sectors, while energy stocks declined following a U.S.-Iran peace agreement regarding the Hormuz Strait. The Dow Jones Industrial Average reached an all-time high of 51,857.30 points during early trading, reflecting broad market optimism despite sector-specific volatility tied to diplomatic developments in the Middle East.
Storage chip and optical communication sectors led gains on June 15. Seagate Technology and Western Digital rose over 9%, Micron Technology advanced over 7%, and SanDisk climbed over 5%. Marvell Technology, Coherent, Qualcomm, and AMD each gained over 4%, while Intel rose over 3%.
The Philadelphia Semiconductor Index opened 4.7% higher. Nvidia rose 2.67%, TSMC gained 3.76%, Broadcom advanced 3.37%, Micron Technology climbed 9.31%, AMD increased 6.61%, and ASML rose 1.47%.
SpaceX shares rose over 6% on June 15. The stock debuted on Friday with a gain exceeding 19%.
U.S. energy company stocks fell on June 15 as oil prices declined after the U.S. and Iran reached a peace agreement. Chevron dropped 4.4%, ExxonMobil fell 5.2%, and ConocoPhillips declined 4.7%. Occidental Petroleum shares fell 5.8%, and APA Group dropped 6.5%.
The Dow Jones Industrial Average opened higher and continued to rise, reaching an all-time high of 51,857.30 points. Component stocks broadly advanced, with Boeing, Amazon, and Caterpillar each gaining over 3%.
U.S. President Trump stated on social media on June 15 that vessels have begun leaving the Hormuz Strait, with many carrying full loads of oil, according to Xinhua News Agency.
Iranian Foreign Ministry spokesperson Bagheri stated on June 15 that Iran will manage security and navigation in the Hormuz Strait during a "specific period" and will charge fees for related shipping services, according to Iranian media reports cited by Xinhua News Agency.
U.S. Vice President Vance stated on June 15 that the U.S.-Iran memorandum of understanding is expected to keep the Hormuz Strait "open long-term without tolls," Xinhua News Agency reported.
Iranian President Pezeshkian stated that Iran and the U.S. will sign a memorandum of understanding on June 19, according to Iranian media reports on June 15 cited by Xinhua News Agency.
What caused U.S. stock indices to open higher on June 15?
U.S. stock indices opened higher on June 15 due to strong gains in storage chip and semiconductor sectors. The Nasdaq rose 2.16%, the S&P 500 gained 1.3%, and the Dow advanced 1%. Storage chip stocks including Seagate Technology and Western Digital rose over 9%, while the Philadelphia Semiconductor Index opened 4.7% higher.
Why did energy stocks decline on June 15?
Energy stocks fell on June 15 as oil prices declined following a U.S.-Iran peace agreement regarding the Hormuz Strait. Chevron dropped 4.4%, ExxonMobil fell 5.2%, ConocoPhillips declined 4.7%, Occidental Petroleum fell 5.8%, and APA Group dropped 6.5%.
What did U.S. and Iranian officials announce regarding the Hormuz Strait on June 15?
On June 15, U.S. President Trump stated vessels have begun leaving the Hormuz Strait with oil cargoes. Iranian Foreign Ministry spokesperson Bagheri announced Iran will manage Strait security during a "specific period" and charge shipping fees. U.S. Vice President Vance stated the U.S.-Iran memorandum of understanding is expected to keep the Strait open long-term without tolls. Iranian President Pezeshkian announced the MOU will be signed on June 19.
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The Strait of Hormuz reopens Friday: a US-Iran peace agreement is reached; equity index futures rise and oil prices fall