Samsung Electronics reported a 19-fold jump in second-quarter operating profit, exceeding analyst expectations. Despite the strong earnings, the company's stock fell nearly 7%, leading to a broader sell-off in semiconductor stocks globally. The decline reflects investor concerns about the sustainability of the AI-driven rally and whether high earnings can be maintained.
The sell-off extended beyond Samsung, with rival chipmakers like SK Hynix and Micron also experiencing significant losses. The South Korean benchmark KOSPI index fell nearly 5%, triggering circuit breakers for the sixth time this year. The broader market reaction underscores the heightened volatility in the semiconductor sector, which has been a key driver of the AI boom.
Analysts note that while Samsung's results were impressive, they were not enough to meet the lofty expectations set by the market. The company's shares had surged nearly 150% this year, and investors appear to be locking in profits amid concerns about overvaluation. The sell-off also coincides with broader market jitters about the AI sector, which has seen significant gains but is now facing questions about its long-term sustainability.
In addition to the chip stock sell-off, oil prices rose after reports of attacks on tankers in the Strait of Hormuz. The attacks, which occurred despite a ceasefire between the United States and Iran, have raised concerns about global energy supplies and the durability of the US-Iran agreement. The dual developments—chip stock declines and oil price increases—highlight the interconnected nature of global markets and the potential for geopolitical events to impact financial markets.