Global equity markets suffered a sharp downturn on Tuesday, driven by tumbling artificial intelligence and semiconductor stocks alongside a spike in oil prices following renewed Middle East hostilities. Wall Street indexes traded deeply in the red, with the Nasdaq sliding as investors reevaluated hefty AI infrastructure investments and surging inflation anxieties.
The global equity mood deteriorated sharply as pressure mounted on the exact semiconductor stocks that drove earlier market gains. According to Exchangerates.org.uk, the artificial intelligence trade faced an aggressive test after months of crowded positioning and near-perfect expectations. Asian markets led the initial overnight sell-off, where Taiwan suffered one of its worst sessions in years and businesstoday.in reported that the Kospi index crashed 9% in the previous session.
Semiconductor Sell-Off Spreads From Asia to Wall Street
The downturn hit South Korea’s broader benchmark particularly hard because Samsung Electronics and SK Hynix account for over 60% of the Kospi’s total market capitalization. SK Hynix shares fell 15.37% to 1,845,000 won, while Samsung Electronics tanked 10.7% to 254,500 won, according to businesstoday.in. On Wall Street, Micron Technology plummeted 7.8% as the heaviest drag on the S&P 500, and Nvidia fell 1.4%, exerting a disproportionate weight on the wider index.
Even strong corporate reports failed to calm market nerves. As Exchangerates.org.uk reported, TSMC delivered another powerful set of earnings with profits jumping sharply on continued AI demand. Instead of stabilizing the sector, investors focused intently on the scale of future capital expenditure and whether valuations had moved too far ahead of earnings growth.
Geopolitical Tensions Send Crude Oil Prices Surging
Compounding the technology sell-off, renewed military conflict in the Middle East drove a sharp spike in energy markets. According to businesstoday.in, Brent crude oil prices zoomed 13% over two days following renewed attacks between Iran and the United States, climbing from $75.48 per barrel on Friday to $85.66 per barrel. Other reports noted that Brent crude futures breached $100 a barrel for the first time since May, while U.S. oil futures crossed $90.
The supply concerns intensified after tanker traffic through the Strait of Hormuz faced severe disruption.
U.S. President Donald Trump announced the reinstatement of a blockade aimed at preventing tankers carrying Iranian oil from using the strategic waterway. President Trump also proposed a 20% charge on all cargo transiting the strait, stating that the proceeds should compensate the United States for providing security in the region.
Inflation Anxiety and Rising Treasury Yields Stiffening Pressures
Higher energy prices immediately ignited inflation anxieties across fixed-income markets. The yield on the 10-year Treasury bond rose to 4.51% from 4.48%, reflecting growing investor concern that persistently elevated inflation could compel the Federal Reserve and other central banks to raise interest rates.
Broader market sentiment also reflected corporate earnings stress. Disappointing second-quarter results from tech giants like Alphabet and Tesla added to the market’s unease ahead of the Federal Reserve’s imminent policy meeting.
Corporate Dealmaking and Market Adjustments Amid Volatility
Amid the broader market turbulence, specific corporate developments captured investor attention. Crinetics, a developer of therapeutics for endocrine diseases, saw its stock soar by 98.8% on the news.
Simultaneously, SpaceX, which owns the xAI business, saw its shares drop 6% in its first trading session after being included in the Nasdaq 100 index. While Brent crude remains well below the peaks seen during earlier geopolitical crises when the global benchmark briefly traded close to $120 a barrel, the convergence of AI valuation resets and energy supply shocks leaves risk appetite fragile as central banks prepare their next policy steps.
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