Pre-Market Report – Wednesday 8 July: US markets fall - US Launches strikes against Iran - Oil spikes - SPI down 39 - Resources under pressure

US stock indices closed lower on Tuesday amid a selloff in chipmakers. The S&P 500 fell 0.4%, the Nasdaq 100 dropped 1.8%, and the Dow Jones lost 131 points, pulling back from a record high. Semiconductor stocks came under pressure as investors questioned whether AI hyperscalers can justify elevated infrastructure spending. Samsung's 19-fold surge in quarterly profit failed to support market sentiment, which came under renewed pressure following reports that China's DeepSeek is developing its own AI chip. Broadcom fell 0.8%, Micron lost 4.7%, AMD retreated 6.5%, and Intel slumped 9.7%. Nvidia on the other hand, added 0.7%. Higher bond yields weighed on broader markets after attacks on tankers in the Strait of Hormuz renewed concerns over energy-driven inflation. Visa fell 1.4%, while Caterpillar lost 3.1%.SPI down 39 - US launches strikes against Iran - Gold down - Oil up - Quarterlies continue - RMD sells software business.Marcus Today – Daily Market InsightsMarcus Today provides clear, practical commentary for self-directed investors – covering markets, portfolios, education, and decision-making without the noise.If you'd like to go further:Start a free 14-day trial of Marcus Today http://bit.ly/mt-trial-podcastJoin Marcus Today Use code MTPODCAST for 10% off http://bit.ly/mt-join-podcast-offerMT20 – Managed ETF Portfolio A professionally managed portfolio run by Marcus Padley and the team, using ASX-listed ETFs with active market timing. http://bit.ly/mt20-podcastPrinciples – How We Think About Investing A short video series on timing, behaviour, and decision-making. No stock tips. http://bit.ly/mt-principles-podcast—Disclaimer This podcast is general information only and does not consider your personal circumstances. It is not personal financial advice.