US stocks opened higher on July 9 (local time), with the three major indices advancing on strong semiconductor stock performance at 9:51 AM. The Dow Jones Industrial Average rose 0.05% to 52,372.89, the S&P 500 gained 0.31% to 7,506.06, and the Nasdaq Composite climbed 0.48% to 25,994.79. Semiconductor stocks led the rally, with the Philadelphia Semiconductor Index surging 5.13%. Escalating US-Iran tensions limited further market gains, as the US Central Command struck approximately 90 Iranian targets and Iran retaliated by attacking US military bases in Bahrain, Kuwait, and Qatar.
Semiconductor Stocks Rally on July 9
Semiconductor stocks posted strong gains on July 9. Micron rose 7.78% and SanDisk climbed 6.02%. Lam Research surged 10.49%, while Western Digital and Seagate Technology advanced 8.01% and 7.69% respectively. Marvell Technology gained 7.55%. The Philadelphia Semiconductor Index increased 5.13%.
US-Iran Conflict Escalates with Military Strikes
The US Central Command struck approximately 90 Iranian targets. Iranian state media IRNA reported that the US attacked areas surrounding the Bushehr nuclear power plant in southern Iran. Iran's semi-official Fars News Agency stated that the US struck the Aq Takakan railway bridge in Golestan Province in northern Iran, a trade route connecting Iran's strategic partners China and Russia. Iran responded by attacking US military bases in Bahrain, Kuwait, and Qatar. Michael Hewson, senior market analyst at iForex, stated that concerns about whether memory storage suppliers can continue generating record-high revenues and profits, combined with the collapse of the Middle East ceasefire, create a very unfavorable combination.
Meta, IBM, Microsoft, AstraZeneca Report Stock Declines
Meta Platforms fell 2.55% after announcing it will begin mass production of its AI chip 'Iris' from September. IBM declined 2.59% and Microsoft dropped 1.39% after Starbucks announced AI adoption to reduce dependency on the two companies. AstraZeneca fell 7.57% after its heart disease treatment Wainua failed to meet objectives in late-stage clinical trials.
European Markets Rise, Oil Prices Fall
European stock indices mostly rose. The Euro Stoxx 50 index traded up 1.14% at 6,275.84. Germany's DAX and France's CAC 40 gained 0.53% and 0.68% respectively, while the UK's FTSE 100 fell 0.40%. International oil prices declined, with August 2026 delivery West Texas Intermediate crude falling 0.79% to $72.94 per barrel.
FAQ
What were the US stock index levels on July 9?
On July 9 (local time) at 9:51 AM, the Dow Jones Industrial Average stood at 52,372.89 (up 0.05%), the S&P 500 reached 7,506.06 (up 0.31%), and the Nasdaq Composite hit 25,994.79 (up 0.48%).
Why did semiconductor stocks rally on July 9?
Semiconductor stocks posted strong gains on July 9, with the Philadelphia Semiconductor Index rising 5.13%. Lam Research surged 10.49%, Western Digital gained 8.01%, Seagate Technology rose 7.69%, Micron climbed 7.78%, Marvell Technology increased 7.55%, and SanDisk advanced 6.02%.
