Market Summary - April 28, 2026
US Tech Stock Sell-Off Amid OpenAI Concerns
On April 28, 2026, fears surrounding OpenAI's performance led to a sell-off in US tech stocks. The report indicated that OpenAI, known for its AI innovations including ChatGPT, missed sales targets and user acquisition goals, causing significant concern among investors. This news negatively impacted major semiconductor stocks, which had previously enjoyed a strong month, with companies like Nvidia, ARM, and AMD experiencing declines in pre-market trading.
Oil Prices Surge
In contrast to the tech sector, oil prices have surged, breaking the $110 per barrel mark due to geopolitical tensions, particularly the ongoing closure of the Strait of Hormuz and unresolved issues between the US and Iran. Brent crude oil prices rose over 2%, reaching above $111 per barrel. Despite the high oil prices, European stock indices showed resilience, with the DAX and FTSE 100 both posting gains, buoyed by BP's strong quarterly results.
BP's Strong Performance
BP reported a profit of $3.8 billion for Q1, significantly exceeding expectations, which contributed to a 3% increase in its share price. However, concerns linger about the sustainability of this performance, as production levels remain flat due to disruptions in the Middle East. BP's stock has risen 36% year-to-date, outperforming many tech stocks.
Impact on Central Banks
The Bank of Japan (BOJ) maintained its interest rates but faced internal dissent regarding potential hikes to combat inflation driven by rising oil prices. This reflects a broader trend among global central banks, which are grappling with the dual challenges of inflation and economic growth amid ongoing geopolitical tensions.
AI Investment Theme Under Scrutiny
The concerns regarding OpenAI's sales performance could have broader implications for the AI investment theme that has propelled US stock markets to record highs. As major tech companies prepare to report earnings, scrutiny will increase regarding their capital expenditure plans in AI. If spending slows, it could negatively impact the entire AI ecosystem, including semiconductor stocks that have recently seen significant gains.
Conclusion
The market is currently experiencing a rotation, with investors moving away from US equities and showing renewed interest in European markets, particularly in light of the strong performance from oil companies like BP. The upcoming earnings reports from major tech firms will be critical in determining the future trajectory of the tech sector and the broader market.