KOSPI Rebounds After July Selloff: 3 Reasons Fueling Semiconductor Rally Amid AI Confidence Surge

KOSPI Rebounds After July Selloff: 3 Reasons Fueling Semiconductor Rally Amid AI Confidence Surge​

The South Korean stock market, led by the benchmark KOSPI index, is experiencing a strong recovery in early August following a significant downturn in July. The market has managed to stage a sharp rebound, extending its two-day recovery to 7% through Wednesday. This surge comes after the KOSPI, which had dropped 24% during the month, reflects growing confidence across major sectors.

Semiconductor Stocks Drive KOSPI Recovery​

The rally was heavily led by semiconductor stocks as concerns surrounding heavy capital expenditure in data centers were mitigated by positive corporate results. Investors are closely scrutinizing whether companies investing billions into AI infrastructure can successfully monetize those massive outlays.

Key tech giants reported strong performance, propelling the market higher. Micron Technology jumped more than 7%, while Nvidia closed nearly 3% higher and SanDisk surged a notable 11%. Caterpillar also emerged as a top performer on the Dow Jones Industrial Average after beating second-quarter estimates and raising its revenue growth outlook, citing continued demand from accelerating AI data center construction in the U.S.

The positive momentum quickly spread to Asian markets. Samsung shares soared more than 3%, driven by a record quarterly profit fueled by its semiconductor business. SK Hynix also posted record revenue, although its quarterly profit was below elevated market expectations. Both companies signaled optimism about their sector's future. Samsung expects a favorable supply-demand environment for memory chips to persist through at least 2027, backed by increased long-term customer contracts.

Global Market Strength and Geopolitical Upswing Aid Rally​

The resurgence in KOSPI is also supported by broader global economic strength and hopeful developments concerning international relations.

U.S. stock indices closed at record highs on Tuesday, buoyed by strong earnings from AI-linked corporations like Palantir and Caterpillar. CEO Alex Karp attributed the performance of Palantir to "otherworldly demand" driven by AI sovereignty. This rally also benefited chipmakers, aiding the recovery path for the sector.

Meanwhile, optimism regarding a potential peace deal between the U.S. and Iran is influencing commodity markets. Oil prices traded at $80, considerably lower from the $100 mark last month, as hopes rise of an agreement that could reopen the Strait of Hormuz. The U.S. Treasury Secretary Scott Bessent indicated that Washington and Tehran could potentially reach an accord on reopening the Strait as early as Tuesday or Wednesday.

Analyst Perspective: Fundamentals Remain Strong Despite Volatility​

Financial analysts maintain a constructive view, emphasizing that the fundamental strength of South Korea's semiconductor sector remains intact despite recent volatility.

Goldman Sachs pointed out that the sharp selloff in local semiconductor stocks was possibly intensified by the unwinding of positions in exchange-traded funds heavily concentrated in one or two specific stocks. The brokerage maintained that the underlying semiconductor cycle is fundamentally strong.

Looking further ahead, SK Hynix CEO Kwak Noh-jung anticipates a worst-ever supply shortage for the global memory industry in 2027, suggesting demand will remain above production capacity well past 2030, even with aggressive expansion plans underway.

However, market vulnerability due to leverage remains a cautionary note. Senior market analyst Hebe Chen of Vantage Global Prime cautioned that while South Korea's semiconductor story is based on genuine structural demand, the uncontrolled appetite for leverage has made the market fragile. She noted that this "double-edged sword" means leverage makes both the rise and the fall equally powerful.